{"hash":"c2aa3956839feac0289f81c236dc7039eb5b0829d1c58bf3281ecaf7ce679fa7","manifest":"{\"v\":\"wb1\",\"archive\":\"wayback\",\"snapshotUrl\":\"https://web.archive.org/web/20150217052934id_/http://satoshi.nakamotoinstitute.org:80/emails/cryptography/15/\",\"originalUrl\":\"http://satoshi.nakamotoinstitute.org:80/emails/cryptography/15/\",\"mementoDatetime\":\"2015-02-17T05:29:34.000Z\",\"contentSha256\":\"aa475dd4a8dfa096d83ffce23cb3be39c52f186e6c2de97630dc2e7035683e6f\",\"contentBytes\":6655,\"contentType\":\"text/html; charset=utf-8\",\"archiveDigest\":{\"alg\":\"sha1-base32\",\"value\":\"XQTKTKVA7IU63I3RU532EJV23VCGJ3XH\"},\"retrievedAt\":\"2026-09-14T02:37:39.358Z\"}","archive":"wayback","snapshotUrl":"https://web.archive.org/web/20150217052934id_/http://satoshi.nakamotoinstitute.org:80/emails/cryptography/15/","originalUrl":"http://satoshi.nakamotoinstitute.org:80/emails/cryptography/15/","mementoDatetime":"2015-02-17T05:29:34.000Z","contentSha256":"aa475dd4a8dfa096d83ffce23cb3be39c52f186e6c2de97630dc2e7035683e6f","contentBytes":6655,"contentType":"text/html; charset=utf-8","archiveDigest":{"alg":"sha1-base32","value":"XQTKTKVA7IU63I3RU532EJV23VCGJ3XH"},"responseHeaders":{"memento-datetime":"Tue, 17 Feb 2015 05:29:34 GMT","link":"<http://satoshi.nakamotoinstitute.org:80/emails/cryptography/15/>; rel=\"original\", <https://web.archive.org/web/timemap/link/http://satoshi.nakamotoinstitute.org:80/emails/cryptography/15/>; rel=\"timemap\"; type=\"application/link-format\", <https://web.archive.org/web/http://satoshi.nakamotoinstitute.org:80/emails/cryptography/15/>; rel=\"timegate\"","content-type":"text/html; charset=utf-8","x-archive-src":"alexa20150217-31/52_44_20150217052902_crawl303.arc.gz","x-archive-orig-date":"Tue, 17 Feb 2015 05:29:34 GMT"},"httpStatus":200,"retrievedAt":"2026-09-14T02:37:39.358Z","anchored":true,"txid":"387e0f689bb1aaecd060ed2d4cd6181ece69fc96100b0caade4d8a0406efd558","network":"main","status":"active","spv":{"blockHeight":966669,"merkleRoot":"796839efb747c4dff283521d7e54821d15a1d772bcb33db597beb056b4dc5420","index":1243,"nodes":["ce6a0db4028cde9c0d90bcc26a55793587f318e9ed2b0f76d12f969644ec6cb9","d990dc86b4cec5b31ee1d9b91e4c10a643fc28c49159f0a3c838afde7b35274a","88db461a71ae92ea741018dccc136a9c363bac07eba524f8db4006c47633be9c","f788df8384afa5ba9f120511cc36cce00f537bc60dd4f26bc2be14a69c23e3e6","a21fa0d8cdd024efbdabdc99860e4fcde6f87987ecd21ab03600da7db5e8b50b","c0637ed504e75a1219b5d46218967c765f4e8782d102fbb68767fcc37126964f","483d7742d1b31c305ab2bbdbc5463b3d64f45723a15bccd81fac4a0c1a68abf5","0407e11d2656373e6c362069949084230c8c51066ed6540553dba77b4ba7385b","6255d48a1fd43a1607bce8d6e0e54f680d3bffe55ea26d2f8e889091ffb65661","ad803e3b2af097273451568682bdc016241b9d008ac982970bf2cbd47c572c30","31d27b5c104ded7709eb6c1177fce49c61f216ed4d539cc5bffbab2447f737a6"],"provedAt":"2026-09-14T08:08:41.159Z"},"confirmed":true,"anchorState":"confirmed","anchorNote":"provably included in a block — a Merkle proof against our own headers exists","manifestUrl":"https://bsv.cx/wb/c2aa3956839feac0289f81c236dc7039eb5b0829d1c58bf3281ecaf7ce679fa7/manifest","contentUrl":"https://bsv.cx/wb/c2aa3956839feac0289f81c236dc7039eb5b0829d1c58bf3281ecaf7ce679fa7/content","explorer":"https://whatsonchain.com/tx/387e0f689bb1aaecd060ed2d4cd6181ece69fc96100b0caade4d8a0406efd558","howToVerify":["sha256(content bytes) must equal manifest.contentSha256","sha256(manifest bytes) must equal this hash","that hash appears in the OP_RETURN of txid (bsv.cx / wb1 / <hash>)","optionally: the content also matches the archive's own digest (archiveDigest)"],"proves":"the archive served this exact content for this snapshot as of the anchor block time; NOT the archive's original capture date","preserve":{"note":"Download and keep your own copy — bsv.cx does not guarantee to host these bytes indefinitely. Your saved file plus the manifest and the on-chain hash prove this snapshot without depending on bsv.cx.","keep":["content","manifest"],"content":"https://bsv.cx/wb/c2aa3956839feac0289f81c236dc7039eb5b0829d1c58bf3281ecaf7ce679fa7/content","manifest":"https://bsv.cx/wb/c2aa3956839feac0289f81c236dc7039eb5b0829d1c58bf3281ecaf7ce679fa7/manifest","verify":"sha256(content) === aa475dd4a8dfa096d83ffce23cb3be39c52f186e6c2de97630dc2e7035683e6f (the manifest's contentSha256), and sha256(manifest) === c2aa3956839feac0289f81c236dc7039eb5b0829d1c58bf3281ecaf7ce679fa7 (the anchored id). Match against the transaction OP_RETURN \"bsv.cx / wb1 / c2aa3956839feac0289f81c236dc7039eb5b0829d1c58bf3281ecaf7ce679fa7\"."}}