{"connections":[],"files":[{"byte_length":1362946,"caption_url":"","derived_from":null,"filename":"6h4452438-page-001.jpg","id":"d700abbd-ff67-4028-98e8-2580da7f1555","ingested_at":"2026-10-19T02:12:42.825984+00:00","is_audio":false,"is_image":true,"is_public":true,"is_video":false,"kind":"supporting","media_url":"/media/d700abbd-ff67-4028-98e8-2580da7f1555","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":"Frederick William Thomas, Washington, DC., autograph letter signed to Edgar Allan Poe, 19 July 1841 — source 6h4452438 — Source page 1","transcript_asset_id":""},"mime":"image/jpeg","published_version":1,"role_label":"Original preserved file","sha256":"68de1c454287709d0a95cb699502dfcb89f8ac9f32e27784c8617c17a8007362","working_version":0},{"byte_length":1040392,"caption_url":"","derived_from":null,"filename":"6h4452438-page-002.jpg","id":"2115608d-9815-4794-aec1-d3246364acee","ingested_at":"2026-10-19T02:12:43.848496+00:00","is_audio":false,"is_image":true,"is_public":true,"is_video":false,"kind":"supporting","media_url":"/media/2115608d-9815-4794-aec1-d3246364acee","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":"Frederick William Thomas, Washington, DC., autograph letter signed to Edgar Allan Poe, 19 July 1841 — source 6h4452438 — Source page 2","transcript_asset_id":""},"mime":"image/jpeg","published_version":1,"role_label":"Original preserved file","sha256":"74f83215e6d543caa4e722ce748e5356238615ff00b82f7dcc2fba2a0ae37a88","working_version":0}],"format":"crypt-of-echoes-public-manifest-v3","generated_at":"2026-10-21T04:57:27.734587770+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-2026-4f8d61c63a90447fa9b3261a325d2e7b","record":{"created_at":"2026-10-19T02:12:42.148390+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":"Frederick William Thomas, Washington, DC., autograph letter signed to Edgar Allan Poe, 19 July 1841. Boston Public Library / Digital Commonwealth. 6h4452438. https://www.digitalcommonwealth.org/search/commonwealth:6h4452438","call_number":"Digital Commonwealth 6h4452438","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":"Same date/title as 6h445240f but described as the copied Ewing cryptogram. Keep both source records.","contributors":"","date_label":"July 19, 1841","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":"Frederick William Thomas, Washington, DC., autograph letter signed to Edgar Allan Poe, 19 July 1841","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:6h4452438","subject_ids":["history","literature"],"summary":"Preserved manuscript images from Boston Public Library. Full reading transcription pending.","title":"Frederick William Thomas to Edgar Allan Poe — July 19, 1841, Ewing cryptogram copy","topics":"","verification":"Not independently verified","verification_notes":"Repository catalog identity and image inventory recorded. Manuscript handwriting has not yet received full transcription or proofreading. Same date/title as 6h445240f but described as the copied Ewing cryptogram. Keep both source records.","volume":""},"id":"LED-2026-4f8d61c63a90447fa9b3261a325d2e7b","published_version":2,"status":"published","version":2},"research_questions":[]}