1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16fb392730a794555f96661a29006b8aa7515a7ef6787d0937a659e99379342f. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cc728f0e-9e35-4c44-a6b0-b996ee2c4402.json and https://artists.proofprofile.net/proofs/artist/cc728f0e-9e35-4c44-a6b0-b996ee2c4402.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Barn of the Naked Dead (20 Year Anniversary Remaster)
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03c28e5f31cff6ada6bee1ed58244ea338fe385b410e530f16760a0d079b1d1a. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCADE1778765.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81fa7eaca7dd773fec90ca86e069bd9adb0cfda0e918a99b465cb3e20089676e. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCADE1778766.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16ee1ca6ce69ae51b546dc9b9d47c2071d20af4397824ffc5b4e9b4eb6905f9f. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCADE1778767.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61a46fd66a3692dec2bdb3430064c29c057e5dabdfd7fb3984a66430c5551bc0. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCADE1778772.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c38beffb178c0987f422008ec380a3781e7cbd165794ee96d8d2dd0849e95d4. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCADE1778779.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb40786d2085fe43098327cd0e9b95c303ff387d348c0cb45aaf1097241cf9e2. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCADE1778786.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5560dfe3ee34d2359f80f6855d20ce44f72869809e91a76acb4220850205b0e9. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCADE1778793.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e540cb1b9b2174f67ba5ef90b5d3c17108885de72052674504cab85dcbc7c30. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCADE1778799.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6906d8db8b38174e82d5574d3455482111b7810dfbfc7c279eab0d50afd2352. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCADE1778535.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf321f0e8409345e15d6fce24655d9829321d398fa95e69bff9878742b3a9e8b1. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCADE1778537.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e7f05ba630847e99ff42466fcd0ebfbbee60a96c36c6a7b670414cac66a62b5. Chain 2 (Bitcoin): anchored in block 958975 (2026-07-21T06:12:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCACS1640652.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcea66f702dae47b727ca8b2d29bae008a8715341fbc7d1caa477c191074f4606. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAEK1930361.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8188879e646237779bfed2c45a9dafef48971d8c593e575666e05c1cea156f9c. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T08:39:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAEK1930387.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7efe3f8ffc03b7055f74fe309bb5eb85158731cc3832de628ad91623a3190543. Chain 2 (Bitcoin): anchored in block 958607 (2026-07-18T21:01:11Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCADX1840049.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde3c803f26e1f95c5ed6a47b82f736caaf8f0ae3dc3d00026fd82eb21d24850a. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P2320022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90c4a887247a6e2b802c0f513c797f6ed1dfc8f64b6d30ff56e14f196613fd09. Chain 2 (Bitcoin): anchored in block 956745 (2026-07-05T05:33:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAFZ2281520.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2439699b914d0816dae53a9c04afd16c9f45bbd323384290b9a7af53e195c469. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAGD2293148.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd58b1902d08facc667f217482e6b1bb1baea1de96b22c65a1b00a1101d69cb55. Chain 2 (Bitcoin): anchored in block 958363 (2026-07-17T04:34:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAGD2293179.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9f7069de8058859a52ac7a4d7cdb2977833adb73ef1b082b66e6243afaa3049. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAGD2293206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dfba0782509bf9e9f25e1781448837be9c7dd9d028a732ff3ba91a278a019f0. Chain 2 (Bitcoin): anchored in block 958980 (2026-07-21T07:04:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAGD2293218.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3aff630783a4d6fd32a2527c42b200e7d6092ed1a1f29d8b954c6352357d32ee. Chain 2 (Bitcoin): anchored in block 958417 (2026-07-17T12:56:50Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAGD2293516.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf5a885c1789e3e9be957c0bb3eca7e2e2726f43c4a0ea70a4ead28d2ee80fbb. Chain 2 (Bitcoin): anchored in block 958827 (2026-07-20T05:07:11Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAGD2293518.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8419b606db083dc775dc6c02b3615c1318b5c540970a220d2be9424fe57fa0ff. Chain 2 (Bitcoin): anchored in block 958568 (2026-07-18T15:23:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAHM2322998.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3ab54a8b1cc66eb9f334c0665c33b34f0337ce3f8998cc9da2a93143c2a5a1f. Chain 2 (Bitcoin): anchored in block 958510 (2026-07-18T06:38:22Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAHM2323026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4021023f8ab963afe509008b9d0c5b8fbf6d671ccba8eff4834cba480e930c82. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAHM2323082.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38313b357727ec724a6a148ec1a7701a46f4853f97ac19f63df42c5a74414f7e. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAHM2323090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13749b283b790bb09eb09a99ea6483a17d25dcf6e662222e596c2cd7b80d30da. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAHM2323116.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71693d02ee2c57257fedf17dfe436f814d8221b4b77ecb09031b60bd01ead816. Chain 2 (Bitcoin): anchored in block 958552 (2026-07-18T13:15:29Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAHM2323133.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c0440c9379d1b3f9cdac8ab8bb35b1d1bc38a0a67f85ab398fbfbca9032a0ce. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAGP2290475.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf28594f75019b88467bf607ab407539a94ff74c7ef5f7144c8ad939f48ce94e. Chain 2 (Bitcoin): anchored in block 958514 (2026-07-18T06:54:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAHK2314585.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb04d582981622e651094501cdb5a3b4e6b7bd855ab068dadbd78ee018e8bca78. Chain 2 (Bitcoin): anchored in block 958714 (2026-07-19T09:51:44Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAHM2330787.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9332ad9c721985e45933b82f30c311876d1e35b19036e677b9401349f4249f9a. Chain 2 (Bitcoin): anchored in block 958726 (2026-07-19T11:47:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAHM2330800.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4021023f8ab963afe509008b9d0c5b8fbf6d671ccba8eff4834cba480e930c82. Chain 2 (Bitcoin): anchored in block 959013 (2026-07-21T13:39:11Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAHM2323082.
Hail the Villains (feat. Psych Ward, Mr. Hyde, Sid Wilson & Necro)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fc694c4ce3dad85abb42024c3f72330218a6914f079124fb7f176c53ef8617b. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCACM1693215.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cbec2f1958b7c89b66af15fab7d57859bc9648078664df6d289d79350570d7b. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN32477998.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ebe4d45658ff383e8347d1443eea16f94db7a3c97ace9317ea9d18e8bbe3835. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRRGE1907863.