{"schema":"lookcloser/record@0.2","compatible_with":["lookcloser/record@0.1"],"record_id":"866812000122","processing":{"collection_process_version":"2026-07-24.5","last_collected_at":"2026-07-25T05:38:05-0700","last_collection_event":"intake","label_reader_version":"2026-07-24.6","report_schema":"lookcloser/record@0.2","rendered_at":"2026-07-25T13:43:37-0700"},"analysis_status":"needs_label_retry","processing_gaps":[{"code":"names_only_amounts_unreadable","message":"The panel read captured 2 ingredient name(s), but no usable amounts; dose comparison is withheld.","product_conclusion":false}],"gtin":"866812000122","listing_identifier":"B01M4GM9R1","brand":"Double Wood Supplements","title":"Double Wood Supplements Magnesium L-Threonate (Magtein) Supplement","listing_title":"Magnesium L Threonate, Magtein - NSF Certified - Sleep and Cognitive Support – High Absorption – Most Bioavailable Form of Magnesium – 2,000 mg – 120 Capsules","identity":{"canonical_gtin":"00866812000122","source_listing_gtin":"00866812000122","listing_identifier":"B01M4GM9R1","product_image":"https://m.media-amazon.com/images/I/71umw3-QSXL.jpg","product_image_status":"retained","product_image_provenance":{"status":"retained","source":"source_listing","identity_basis":"exact_listing_identifier","source_url":"https://www.amazon.com/dp/B01M4GM9R1","primary_url":"https://m.media-amazon.com/images/I/71umw3-QSXL.jpg","image_count":8,"last_attempted":"2026-07-25T05:38:05-0700","attempts":1},"observed_at":"2026-07-25","source_confirmations":["source_listing_gtin","external_barcode_record","brand_store_gtin"],"brand_consistency":{"status":"match","compatible":true,"listing_brand":"Double Wood Supplements","package_brand":"Double Wood® SUPPLEMENTS","match_method":"normalized_exact","similarity":1},"identity_rule":"exact identifiers only; 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That is a LookCloser coverage gap, not evidence that no filing exists.","source_refs":["facts_panel","source_listing"],"source_records":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B01M4GM9R1","observed_at":"2026-07-25","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B01M4GM9R1","observed_at":"2026-07-25","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-25","looked":"LookCloser checked Label and serving arithmetic.","found":"This record does not currently hold an identity-bound public label filing for the exact product. That is a LookCloser coverage gap, not evidence that no filing exists."},"html_anchor":"finding-label-and-serving-arithmetic-public-label-filing-not-retained","report_url":"https://lookcloser.ai/p/866812000122/full#finding-label-and-serving-arithmetic-public-label-filing-not-retained"},{"id":"keepa-exact-listing-history-this-item-belongs-to-a-catalog-variation-fam","source":"Keepa exact-listing history","class":"gap","severity":"info","weight":19,"headline":"This item belongs to a catalog variation family","detail":"The paid catalog links this exact item to a parent listing. Review counts on public product pages may be shared across sizes, flavors, or other variants, so the count history is listing context — not evidence that reviewers received or tested this exact variant.","proof":"The paid catalog links this exact item to a parent listing. Review counts on public product pages may be shared across sizes, flavors, or other variants, so the count history is listing context — not evidence that reviewers received or tested this exact variant.","identity_basis":"listing","status":"live","source_refs":["keepa_history","source_listing"],"source_url":"https://keepa.com/#!product/1-B01M4GM9R1","scope":"exact_listing","inference_level":"gap","observed_at":"2026-07-25","presentation_tone":"gap","evidence_id":"ev-7a71522f2698","evidence_url":"https://lookcloser.ai/e/ev-7a71522f2698","content_fingerprint":"sha256:295f030bb6955ffd45107bdff79879b1cec14bd3dd05c3f1cc518c0ce572ffd7","registry_receipts":[],"evidence":{"summary":"The paid catalog links this exact item to a parent listing. Review counts on public product pages may be shared across sizes, flavors, or other variants, so the count history is listing context — not evidence that reviewers received or tested this exact variant.","source_refs":["keepa_history","source_listing"],"source_records":[{"source":"keepa_history","source_url":"https://keepa.com/#!product/1-B01M4GM9R1","observed_at":"2026-07-25","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B01M4GM9R1","observed_at":"2026-07-25","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-25","looked":"LookCloser checked Keepa exact-listing history.","found":"The paid catalog links this exact item to a parent listing. Review counts on public product pages may be shared across sizes, flavors, or other variants, so the count history is listing context — not evidence that reviewers received or tested this exact variant."},"html_anchor":"finding-keepa-exact-listing-history-this-item-belongs-to-a-catalog-variation-fam","report_url":"https://lookcloser.ai/p/866812000122/full#finding-keepa-exact-listing-history-this-item-belongs-to-a-catalog-variation-fam"},{"id":"keepa-exact-listing-history-180-day-review-count-history-is-on-file","source":"Keepa exact-listing history","class":"gap","severity":"info","weight":16,"headline":"180-day review-count history is on file","detail":"Exact-listing history records written-review counts from 3,491 on 2026-05-21 to 3,629 on 2026-07-18 (net +138). Count movements can reflect sales, listing variants, collection resets, or moderation; this history does not establish whether reviews are authentic.","proof":"Exact-listing history records written-review counts from 3,491 on 2026-05-21 to 3,629 on 2026-07-18 (net +138). Count movements can reflect sales, listing variants, collection resets, or moderation; this history does not establish whether reviews are authentic.","identity_basis":"listing","status":"live","source_refs":["keepa_history","source_listing"],"source_url":"https://keepa.com/#!product/1-B01M4GM9R1","scope":"exact_listing","inference_level":"gap","observed_at":"2026-07-25","presentation_tone":"gap","evidence_id":"ev-25927efcab89","evidence_url":"https://lookcloser.ai/e/ev-25927efcab89","content_fingerprint":"sha256:ca3bf658334dc22fc16056012007226515e47417f1bfe8565b5675411091fd19","registry_receipts":[],"evidence":{"summary":"Exact-listing history records written-review counts from 3,491 on 2026-05-21 to 3,629 on 2026-07-18 (net +138). Count movements can reflect sales, listing variants, collection resets, or moderation; this history does not establish whether reviews are authentic.","source_refs":["keepa_history","source_listing"],"source_records":[{"source":"keepa_history","source_url":"https://keepa.com/#!product/1-B01M4GM9R1","observed_at":"2026-07-25","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B01M4GM9R1","observed_at":"2026-07-25","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-25","looked":"LookCloser checked Keepa exact-listing history.","found":"Exact-listing history records written-review counts from 3,491 on 2026-05-21 to 3,629 on 2026-07-18 (net +138). Count movements can reflect sales, listing variants, collection resets, or moderation; this history does not establish whether reviews are authentic."},"html_anchor":"finding-keepa-exact-listing-history-180-day-review-count-history-is-on-file","report_url":"https://lookcloser.ai/p/866812000122/full#finding-keepa-exact-listing-history-180-day-review-count-history-is-on-file"},{"id":"uspto-trademark-registry-package-and-trademark-records-name-different-re","source":"USPTO trademark registry","class":"gap","severity":"info","weight":14,"headline":"Package and trademark records name different responsible entities","detail":"The package says manufactured by: Double Wood. USPTO names Double Wood LLC as the exact wordmark owner. That can be a normal distributor, manufacturer, or licensing relationship; the retained records do not establish the relationship.","proof":"The package says manufactured by: Double Wood. USPTO names Double Wood LLC as the exact wordmark owner. That can be a normal distributor, manufacturer, or licensing relationship; the retained records do not establish the relationship.","identity_basis":"owner_exact","status":"live","source_refs":["uspto_search","facts_panel"],"source_url":"https://tsdr.uspto.gov/#caseNumber=87409229&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","scope":"brand_owner","inference_level":"gap","observed_at":"2026-07-25","presentation_tone":"gap","evidence_id":"ev-dde150be64d7","evidence_url":"https://lookcloser.ai/e/ev-dde150be64d7","content_fingerprint":"sha256:36493220af26b9e34f4466b1c2df5e93d4c8c2d83fbc3627cb5799e7e925484c","registry_receipts":[{"source":"uspto_search","url":"https://tsdr.uspto.gov/#caseNumber=87409229&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","label":"USPTO · Registration 5323413","registry_name":"USPTO","standard":null,"identifier":"Registration 5323413"}],"evidence":{"summary":"The package says manufactured by: Double Wood. USPTO names Double Wood LLC as the exact wordmark owner. That can be a normal distributor, manufacturer, or licensing relationship; the retained records do not establish the relationship.","source_refs":["uspto_search","facts_panel"],"source_records":[{"source":"uspto_search","source_url":"https://tsdr.uspto.gov/#caseNumber=87409229&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","observed_at":"2026-07-25","identity_basis":"exact_wordmark_and_supplement_goods","scope":"brand","registry_name":"USPTO","identifier":"Registration 5323413","receipt_label":"USPTO · Registration 5323413"},{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B01M4GM9R1","observed_at":"2026-07-25","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-25","looked":"LookCloser checked USPTO trademark registry.","found":"The package says manufactured by: Double Wood. USPTO names Double Wood LLC as the exact wordmark owner. That can be a normal distributor, manufacturer, or licensing relationship; the retained records do not establish the relationship."},"html_anchor":"finding-uspto-trademark-registry-package-and-trademark-records-name-different-re","report_url":"https://lookcloser.ai/p/866812000122/full#finding-uspto-trademark-registry-package-and-trademark-records-name-different-re"}],"evidence_records":[{"evidence_id":"ev-ad85d0378d88","record_id":"866812000122","gtin":"866812000122","claim_key":"finding:label-and-serving-arithmetic-panel-amounts-are-awaiting-a-clearer-image-","primary_source":"facts_panel","claim":"Panel amounts are awaiting a clearer image read","bucket":"unverified","looked":"LookCloser checked Label and serving arithmetic.","found":"The current image extraction retained 2 ingredient name(s) but no usable amounts. This is a LookCloser processing gap, not evidence that the brand withheld the numbers; dose arithmetic is withheld until the panel is re-read.","proof":{"detail":"The current image extraction retained 2 ingredient name(s) but no usable amounts. This is a LookCloser processing gap, not evidence that the brand withheld the numbers; dose arithmetic is withheld until the panel is re-read."},"source_refs":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B01M4GM9R1","observed_at":"2026-07-25","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B01M4GM9R1","observed_at":"2026-07-25","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-25","content_fingerprint":"sha256:46d49c04d4b4abe58e0c0b178c65f74f83144e0069b092f8e47499d710d20b7c","evidence_url":"https://lookcloser.ai/e/ev-ad85d0378d88"},{"evidence_id":"ev-d1f3d7be8400","record_id":"866812000122","gtin":"866812000122","claim_key":"finding:nih-published-research-research-context-is-available-for-the-listed-ingr","primary_source":"nih_ods_magnesium","claim":"Research context is available for the listed ingredients","bucket":"unverified","looked":"LookCloser checked NIH / published research.","found":"Published sources describe how magnesium have been studied. This is ingredient context only; the record does not establish that this product delivers the studied dose or outcome. Sources: NIH ODS — Magnesium fact sheet, PubMed search: magnesium glycinate supplementation.","proof":{"detail":"Published sources describe how magnesium have been studied. This is ingredient context only; the record does not establish that this product delivers the studied dose or outcome. Sources: NIH ODS — Magnesium fact sheet, PubMed search: magnesium glycinate supplementation."},"source_refs":[{"source":"nih_ods_magnesium","source_url":"https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/","observed_at":"2026-07-25","identity_basis":"named_ingredient","scope":"ingredient","registry_name":"NIH ODS","identifier":"magnesium","receipt_label":"NIH ODS — Magnesium fact sheet"},{"source":"pubmed_magnesium","source_url":"https://pubmed.ncbi.nlm.nih.gov/?term=magnesium+glycinate+supplementation","observed_at":"2026-07-25","identity_basis":"named_ingredient","scope":"ingredient"}],"observed_at":"2026-07-25","content_fingerprint":"sha256:9df3ad89e426019d1c13b71fea1e434f7830ddd0fcae233cab581835a63f1202","evidence_url":"https://lookcloser.ai/e/ev-d1f3d7be8400"},{"evidence_id":"ev-333e0822d9f8","record_id":"866812000122","gtin":"866812000122","claim_key":"finding:label-and-serving-arithmetic-public-label-filing-not-retained","primary_source":"facts_panel","claim":"Public label filing not retained","bucket":"unverified","looked":"LookCloser checked Label and serving arithmetic.","found":"This record does not currently hold an identity-bound public label filing for the exact product. That is a LookCloser coverage gap, not evidence that no filing exists.","proof":{"detail":"This record does not currently hold an identity-bound public label filing for the exact product. That is a LookCloser coverage gap, not evidence that no filing exists."},"source_refs":[{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B01M4GM9R1","observed_at":"2026-07-25","identity_basis":"listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B01M4GM9R1","observed_at":"2026-07-25","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-25","content_fingerprint":"sha256:cca5991a8f38dc73c402a0752b40b65a95d9d7d1be681e2997713fc209ab1af5","evidence_url":"https://lookcloser.ai/e/ev-333e0822d9f8"},{"evidence_id":"ev-af4799910fd9","record_id":"866812000122","gtin":"866812000122","claim_key":"finding:brand-storefront-same-barcode-on-the-brand-s-own-store","primary_source":"brand_store","claim":"Same barcode on the brand's own store","bucket":"checks_out","looked":"LookCloser checked Brand storefront.","found":"The brand's store lists this exact barcode as “Magnesium L-Threonate (Magtein) Supplement” (variant: One Bottle) — identity confirmed across retailer listings.","proof":{"detail":"The brand's store lists this exact barcode as “Magnesium L-Threonate (Magtein) Supplement” (variant: One Bottle) — identity confirmed across retailer listings."},"source_refs":[{"source":"brand_store","source_url":"https://doublewoodsupplements.com/products/magnesium-threonate","observed_at":"2026-07-25","identity_basis":"exact_gtin","scope":"brand_or_exact_product"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B01M4GM9R1","observed_at":"2026-07-25","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-25","content_fingerprint":"sha256:c9b0a6a096de6cccfb9ec11d7f2d335b72a352b5066c46281cc5a319d1d0a7b9","evidence_url":"https://lookcloser.ai/e/ev-af4799910fd9"},{"evidence_id":"ev-e27eaf6d7566","record_id":"866812000122","gtin":"866812000122","claim_key":"finding:uspto-trademark-registry-exact-trademark-owner-identified","primary_source":"uspto_search","claim":"Exact trademark owner identified","bucket":"checks_out","looked":"LookCloser checked USPTO trademark registry.","found":"USPTO lists Double Wood LLC (LIMITED LIABILITY COMPANY) in PENNSYLVANIA, USA for the exact brand wordmark. This identifies the USPTO mark owner or applicant; it does not by itself prove who manufactures or sells this product.","proof":{"detail":"USPTO lists Double Wood LLC (LIMITED LIABILITY COMPANY) in PENNSYLVANIA, USA for the exact brand wordmark. This identifies the USPTO mark owner or applicant; it does not by itself prove who manufactures or sells this product."},"source_refs":[{"source":"uspto_search","source_url":"https://tsdr.uspto.gov/#caseNumber=87409229&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","observed_at":"2026-07-25","identity_basis":"exact_wordmark_and_supplement_goods","scope":"brand","registry_name":"USPTO","identifier":"Registration 5323413","receipt_label":"USPTO · Registration 5323413"}],"observed_at":"2026-07-25","content_fingerprint":"sha256:4f075c03e398099427a8c83a0647a8c6eb37d3615616373d4e923547b760b81b","evidence_url":"https://lookcloser.ai/e/ev-e27eaf6d7566"},{"evidence_id":"ev-dde150be64d7","record_id":"866812000122","gtin":"866812000122","claim_key":"finding:uspto-trademark-registry-package-and-trademark-records-name-different-re","primary_source":"uspto_search","claim":"Package and trademark records name different responsible entities","bucket":"unverified","looked":"LookCloser checked USPTO trademark registry.","found":"The package says manufactured by: Double Wood. USPTO names Double Wood LLC as the exact wordmark owner. That can be a normal distributor, manufacturer, or licensing relationship; the retained records do not establish the relationship.","proof":{"detail":"The package says manufactured by: Double Wood. USPTO names Double Wood LLC as the exact wordmark owner. That can be a normal distributor, manufacturer, or licensing relationship; the retained records do not establish the relationship."},"source_refs":[{"source":"uspto_search","source_url":"https://tsdr.uspto.gov/#caseNumber=87409229&caseSearchType=US_APPLICATION&caseType=DEFAULT&searchType=statusSearch","observed_at":"2026-07-25","identity_basis":"exact_wordmark_and_supplement_goods","scope":"brand","registry_name":"USPTO","identifier":"Registration 5323413","receipt_label":"USPTO · Registration 5323413"},{"source":"facts_panel","source_url":"https://www.amazon.com/dp/B01M4GM9R1","observed_at":"2026-07-25","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-25","content_fingerprint":"sha256:36493220af26b9e34f4466b1c2df5e93d4c8c2d83fbc3627cb5799e7e925484c","evidence_url":"https://lookcloser.ai/e/ev-dde150be64d7"},{"evidence_id":"ev-85ae94b65e48","record_id":"866812000122","gtin":"866812000122","claim_key":"finding:barcode-gtin-record-upc-independently-corroborated","primary_source":"barcode_search","claim":"UPC independently corroborated","bucket":"checks_out","looked":"LookCloser checked Barcode / GTIN record.","found":"UPCitemdb resolves 866812000122 to \"Magnesium Threonate - 100 capsules, 2000 mg servings\" (Double Wood Supplements) — consistent with this listing.","proof":{"detail":"UPCitemdb resolves 866812000122 to \"Magnesium Threonate - 100 capsules, 2000 mg servings\" (Double Wood Supplements) — consistent with this listing."},"source_refs":[{"source":"barcode_search","source_url":"https://world.openfoodfacts.org/product/00866812000122","observed_at":"2026-07-25","identity_basis":"gtin","scope":"exact_gtin"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B01M4GM9R1","observed_at":"2026-07-25","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-25","content_fingerprint":"sha256:4f601dabf74c6d74295b24857a93fd5f1679159134f6bfed9d8d886c04569d1c","evidence_url":"https://lookcloser.ai/e/ev-85ae94b65e48"},{"evidence_id":"ev-25927efcab89","record_id":"866812000122","gtin":"866812000122","claim_key":"finding:keepa-exact-listing-history-180-day-review-count-history-is-on-file","primary_source":"keepa_history","claim":"180-day review-count history is on file","bucket":"unverified","looked":"LookCloser checked Keepa exact-listing history.","found":"Exact-listing history records written-review counts from 3,491 on 2026-05-21 to 3,629 on 2026-07-18 (net +138). Count movements can reflect sales, listing variants, collection resets, or moderation; this history does not establish whether reviews are authentic.","proof":{"detail":"Exact-listing history records written-review counts from 3,491 on 2026-05-21 to 3,629 on 2026-07-18 (net +138). Count movements can reflect sales, listing variants, collection resets, or moderation; this history does not establish whether reviews are authentic."},"source_refs":[{"source":"keepa_history","source_url":"https://keepa.com/#!product/1-B01M4GM9R1","observed_at":"2026-07-25","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B01M4GM9R1","observed_at":"2026-07-25","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-25","content_fingerprint":"sha256:ca3bf658334dc22fc16056012007226515e47417f1bfe8565b5675411091fd19","evidence_url":"https://lookcloser.ai/e/ev-25927efcab89"},{"evidence_id":"ev-7a71522f2698","record_id":"866812000122","gtin":"866812000122","claim_key":"finding:keepa-exact-listing-history-this-item-belongs-to-a-catalog-variation-fam","primary_source":"keepa_history","claim":"This item belongs to a catalog variation family","bucket":"unverified","looked":"LookCloser checked Keepa exact-listing history.","found":"The paid catalog links this exact item to a parent listing. Review counts on public product pages may be shared across sizes, flavors, or other variants, so the count history is listing context — not evidence that reviewers received or tested this exact variant.","proof":{"detail":"The paid catalog links this exact item to a parent listing. Review counts on public product pages may be shared across sizes, flavors, or other variants, so the count history is listing context — not evidence that reviewers received or tested this exact variant."},"source_refs":[{"source":"keepa_history","source_url":"https://keepa.com/#!product/1-B01M4GM9R1","observed_at":"2026-07-25","identity_basis":"exact_listing_identifier","scope":"exact_listing"},{"source":"source_listing","source_url":"https://www.amazon.com/dp/B01M4GM9R1","observed_at":"2026-07-25","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-25","content_fingerprint":"sha256:295f030bb6955ffd45107bdff79879b1cec14bd3dd05c3f1cc518c0ce572ffd7","evidence_url":"https://lookcloser.ai/e/ev-7a71522f2698"},{"evidence_id":"ev-409a6b01a92f","record_id":"866812000122","gtin":"866812000122","claim_key":"finding:review_velocity_gradual","primary_source":"source_listing","claim":"Reviews accumulated gradually","bucket":"checks_out","looked":"LookCloser checked keepa.","found":"Written reviews grew from 3532 to 3629 across 2026-05-26 – 2026-07-18 with no single manufactured spike (largest 30-day gain ~55).","proof":{"first":["2026-05-26",3532],"last":["2026-07-18",3629],"max_30d_review_gain":55},"source_refs":[{"source":"source_listing","source_url":"https://www.amazon.com/dp/B01M4GM9R1","observed_at":"2026-07-25","identity_basis":"listing_identifier","scope":"exact_listing"}],"observed_at":"2026-07-25","content_fingerprint":"sha256:7ec9f8ff95bd977363ca041428eb03ff44c6098419b14df776f3bf5a9902895d","evidence_url":"https://lookcloser.ai/e/ev-409a6b01a92f"},{"evidence_id":"ev-ea12b4accaf9","record_id":"866812000122","gtin":"866812000122","claim_key":"claim:clinical","primary_source":"source_listing","claim":"“supplement and the only form of magnesium clinically proven to support magnesium levels in the brain”","bucket":"claimed_no_support","looked":"a named, citable clinical study of this product or formula","found":"We found no named, citable study of this product or formula. 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