{"hash":"ef8d8a39f196daaa7da63573123193d16776a3503152adb26b9c6eacbde6a871","manifest":"{\"v\":\"wb1\",\"archive\":\"wayback\",\"snapshotUrl\":\"https://web.archive.org/web/20150510201921id_/http://satoshi.nakamotoinstitute.org/emails/cryptography/16/\",\"originalUrl\":\"http://satoshi.nakamotoinstitute.org/emails/cryptography/16/\",\"mementoDatetime\":\"2015-05-10T20:19:21.000Z\",\"contentSha256\":\"1e9a0b1af9430383e0e5fb7476f9121a4cb0bb9aa1e279128c4b84c05db451d8\",\"contentBytes\":7498,\"contentType\":\"text/html; charset=utf-8\",\"archiveDigest\":{\"alg\":\"sha1-base32\",\"value\":\"S2JV5C7SCMFBZHVXBZBGDX7HUICAUBOX\"},\"retrievedAt\":\"2026-09-14T06:17:00.662Z\"}","archive":"wayback","snapshotUrl":"https://web.archive.org/web/20150510201921id_/http://satoshi.nakamotoinstitute.org/emails/cryptography/16/","originalUrl":"http://satoshi.nakamotoinstitute.org/emails/cryptography/16/","mementoDatetime":"2015-05-10T20:19:21.000Z","contentSha256":"1e9a0b1af9430383e0e5fb7476f9121a4cb0bb9aa1e279128c4b84c05db451d8","contentBytes":7498,"contentType":"text/html; charset=utf-8","archiveDigest":{"alg":"sha1-base32","value":"S2JV5C7SCMFBZHVXBZBGDX7HUICAUBOX"},"responseHeaders":{"memento-datetime":"Sun, 10 May 2015 20:19:21 GMT","link":"<http://satoshi.nakamotoinstitute.org/emails/cryptography/16/>; rel=\"original\", <https://web.archive.org/web/timemap/link/http://satoshi.nakamotoinstitute.org/emails/cryptography/16/>; rel=\"timemap\"; type=\"application/link-format\", <https://web.archive.org/web/http://satoshi.nakamotoinstitute.org/emails/cryptography/16/>; rel=\"timegate\"","content-type":"text/html; charset=utf-8","x-archive-src":"archiveteam_archivebot_go_20150510230005/satoshi.nakamotoinstitute.org-inf-20150510-201911-7ijdg-00000.warc.gz","x-archive-orig-date":"Sun, 10 May 2015 20:19:21 GMT"},"httpStatus":200,"retrievedAt":"2026-09-14T06:17:00.662Z","anchored":true,"txid":"4f9334d08d798f3688f3e8c257e212044089fab945b987631a8765bdcdc7f372","network":"main","status":"active","spv":{"blockHeight":966692,"merkleRoot":"f01229be3f746246ccb0c7b743df78b239fc4ab09be0d277cc0c4c23fbfb74b9","index":922,"nodes":["1f2d227799f94c25c3b7582894ca507dd182c89bbbd86f9d2ed615b34e13a348","3a94e475a02aff2021049456fed2aeda291325aae10047c68c93717366e0f3b5","e5861b07c6716343951920679bdbcffce445df4c7715051ce21cd4ac03517311","765d436aa67dba6579093b95459daeea52e6c6042dfd42a2b3d3d500c742e229","2958dbf33839341bc454a1f237df45e4c3c2733777009d96a4bca21eca240ef0","06ed248050c66b334ddf86d02ef73039c52a6ce5a3cc6fdd1537b1eaf9fa164b","6b3736504a386f5249e4c57d204d88cc2caf5a3abcd45c8bf4f50ed421f56f46","d15bf8da4c7aaafe6faf6c8197aea5573753e29614b807fe2aa140a8fef7eeb3","8daffedf4c9e48f705254bbf3fcfd9ae1edf7375c4ae7cb715471a555f3837b5","9d5161810ddbf0289aa13d409d7bf1c501e62903e3d695e4bd636c88a1f15bf0","a863b9a8f1d951c58fd4d72d5b3cd7deb6b56f70a6bf2002230b51bfaf1bdd8c"],"provedAt":"2026-09-14T12:13:44.148Z"},"confirmed":true,"anchorState":"confirmed","anchorNote":"provably included in a block — a Merkle proof against our own headers exists","manifestUrl":"https://bsv.cx/wb/ef8d8a39f196daaa7da63573123193d16776a3503152adb26b9c6eacbde6a871/manifest","contentUrl":"https://bsv.cx/wb/ef8d8a39f196daaa7da63573123193d16776a3503152adb26b9c6eacbde6a871/content","explorer":"https://whatsonchain.com/tx/4f9334d08d798f3688f3e8c257e212044089fab945b987631a8765bdcdc7f372","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/ef8d8a39f196daaa7da63573123193d16776a3503152adb26b9c6eacbde6a871/content","manifest":"https://bsv.cx/wb/ef8d8a39f196daaa7da63573123193d16776a3503152adb26b9c6eacbde6a871/manifest","verify":"sha256(content) === 1e9a0b1af9430383e0e5fb7476f9121a4cb0bb9aa1e279128c4b84c05db451d8 (the manifest's contentSha256), and sha256(manifest) === ef8d8a39f196daaa7da63573123193d16776a3503152adb26b9c6eacbde6a871 (the anchored id). Match against the transaction OP_RETURN \"bsv.cx / wb1 / ef8d8a39f196daaa7da63573123193d16776a3503152adb26b9c6eacbde6a871\"."}}