{"connections":[],"files":[{"byte_length":1618800,"caption_url":"","derived_from":null,"filename":"6h445240f-page-001.jpg","id":"046cfb18-8c7f-44bd-bdd9-44f4face9687","ingested_at":"2026-10-19T02:12:39.083917+00:00","is_audio":false,"is_image":true,"is_public":true,"is_video":false,"kind":"supporting","media_url":"/media/046cfb18-8c7f-44bd-bdd9-44f4face9687","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 6h445240f — Source page 1","transcript_asset_id":""},"mime":"image/jpeg","published_version":1,"role_label":"Original preserved file","sha256":"838846eb0008f507102738ae5ab3b26ef5923e4153394cd93c9cbca8395e0a2e","working_version":0},{"byte_length":1887417,"caption_url":"","derived_from":null,"filename":"6h445240f-page-002.jpg","id":"5b91f1cc-9c55-4d72-950a-7ba3e8dd17a5","ingested_at":"2026-10-19T02:12:41.730753+00:00","is_audio":false,"is_image":true,"is_public":true,"is_video":false,"kind":"supporting","media_url":"/media/5b91f1cc-9c55-4d72-950a-7ba3e8dd17a5","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 6h445240f — Source page 2","transcript_asset_id":""},"mime":"image/jpeg","published_version":1,"role_label":"Original preserved file","sha256":"afb589caaf0d260fb3a7feccf689ea6c014bd093d755b4acbf9bc02fdb09ab74","working_version":0}],"format":"crypt-of-echoes-public-manifest-v3","generated_at":"2026-10-21T04:57:28.861266164+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-ad56e93ce62c44eaa714a23d6a4af51e","record":{"created_at":"2026-10-19T02:12:38.318748+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. 6h445240f. https://www.digitalcommonwealth.org/search/commonwealth:6h445240f","call_number":"Digital Commonwealth 6h445240f","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 6h4452438 but different catalog description: covering letter discussing Tyler and enclosing a 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. 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