{"connections":[],"files":[{"byte_length":2501501,"caption_url":"","derived_from":null,"filename":"6h443j621-page-001.jpg","id":"f3da2798-1f22-4ea4-b1cd-e197edefcb95","ingested_at":"2026-10-19T02:19:46.395276+00:00","is_audio":false,"is_image":true,"is_public":true,"is_video":false,"kind":"supporting","media_url":"/media/f3da2798-1f22-4ea4-b1cd-e197edefcb95","meta":{"basis_version":"","caption_asset_id":"","caption_label":"","caption_language":"","duration_label":"","format_note":"Original source image","language":"en","page_count_label":"1","produced_by":"Boston Public Library / Digital Commonwealth","production_note":"Original repository JPEG bytes retained with SHA-256 inventory. Full transcription pending.","review_state":"Known limitations","rights_note":"Repository states: No known copyright restrictions. No known restrictions on use.","role":"original","title":"William Evans Burton autograph letter signed to [Edgar Allan Poe?], 4 July 1839 — Source page 1","transcript_asset_id":""},"mime":"image/jpeg","published_version":1,"role_label":"Original preserved file","sha256":"646e576b30c26a1757109787e77d68817adbe810079abc3f99b244e118aec521","working_version":0},{"byte_length":2136543,"caption_url":"","derived_from":null,"filename":"6h443j621-page-002.jpg","id":"829bd614-67b4-41eb-9b5c-d398f68e90b0","ingested_at":"2026-10-19T02:19:47.315004+00:00","is_audio":false,"is_image":true,"is_public":true,"is_video":false,"kind":"supporting","media_url":"/media/829bd614-67b4-41eb-9b5c-d398f68e90b0","meta":{"basis_version":"","caption_asset_id":"","caption_label":"","caption_language":"","duration_label":"","format_note":"Original source image","language":"en","page_count_label":"1","produced_by":"Boston Public Library / Digital Commonwealth","production_note":"Original repository JPEG bytes retained with SHA-256 inventory. Full transcription pending.","review_state":"Known limitations","rights_note":"Repository states: No known copyright restrictions. No known restrictions on use.","role":"original","title":"William Evans Burton autograph letter signed to [Edgar Allan Poe?], 4 July 1839 — Source page 2","transcript_asset_id":""},"mime":"image/jpeg","published_version":1,"role_label":"Original preserved file","sha256":"2d9b03bf962059daa9f8406c8b7f7931e91a796929ff1b83aeb44d91c1720628","working_version":0}],"format":"crypt-of-echoes-public-manifest-v3","generated_at":"2026-10-21T04:57:28.546111628+00:00","integrity_notice":"SHA-256 permits comparison with these recorded bytes. It does not establish source authenticity, truth, capture time, or independent timestamp certification.","permalink":"https://cryptofechoes.com/evidence/LED-2026-935487c6ec6c4014b86edef4b1e5fe2b","record":{"created_at":"2026-10-19T02:19:45.514033+00:00","e":{"access_note":"Source scans available onsite. Full searchable reading text pending.","account_id":"","acquisition":"Captured from the cited public repository on October 18, 2026.","bibliographic_citation":"William Evans Burton autograph letter signed to [Edgar Allan Poe?], 4 July 1839. Boston Public Library / Digital Commonwealth. 6h443j621. https://www.digitalcommonwealth.org/search/commonwealth:6h443j621","call_number":"Digital Commonwealth 6h443j621","capture_method":"Original repository JPEG bytes retained with SHA-256 inventory.","captured_at":"","collection_ids":["edgar-allan-poe","poe-correspondence"],"completeness":"All 2 supplied page images preserved. No full transcription yet.","condition_note":"","context":"","contributors":"","date_label":"July 4, 1839","edition":"","entity_ids":["edgar-allan-poe-person","poe-publication-reception"],"exact_quote":"","identifiers":"","issue":"","kind":"Manuscript or letter","language":"English","license":"","location":"","organization":"","original_title":"William Evans Burton autograph letter signed to [Edgar Allan Poe?], 4 July 1839","pages":"","parent_url":"","person":"","place_ids":[],"publication_place":"","publisher":"","repository":"Boston Public Library / Digital Commonwealth","rights_note":"Repository states: No known copyright restrictions. No known restrictions on use.","source_platform":"","source_published_at":"","source_url":"https://www.digitalcommonwealth.org/search/commonwealth:6h443j621","subject_ids":["history","literature"],"summary":"Preserved manuscript images from Boston Public Library. Full reading transcription pending.","title":"William Evans Burton to [Edgar Allan Poe?] — July 4, 1839 (letter)","topics":"","verification":"Not independently verified","verification_notes":"Repository catalog identity and image inventory recorded. Manuscript handwriting has not yet received full transcription or proofreading. ","volume":""},"id":"LED-2026-935487c6ec6c4014b86edef4b1e5fe2b","published_version":2,"status":"published","version":2},"research_questions":[]}