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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4175efedb63a9925959e885a0f13fbc38df5fc8d471c30344b5fd52c7b519269. 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/ed190030-d166-43d6-abc2-fb5ad508bb15.json and https://artists.proofprofile.net/proofs/artist/ed190030-d166-43d6-abc2-fb5ad508bb15.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0391e2c5ce19b8a4cd57b82e832543f49f8b8f99e4783f58425b1503c015eca1. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/GBEXJ1400121.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70a8f879d140af4de00d96b67069ac91e2db5159553b50c5a87d764c81baa239. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/GBEXJ1400124.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x916fe1e6b439078ffc4e5ab4399aeb3e7ca9447d611d7cd1767e70ee7d33d0f8. 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/GBEXJ1400125.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea282daae1cf4cf6f8916b0dcbab39adaa613a29ba18593433faa33a176da6e3. 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/GBEXJ1400126.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x111ce1433f5f67c7ed9215d66618c8f21b4440b21a92775fed9cafd934192ec7. Chain 2 (Bitcoin): anchored in block 957898 (2026-07-13T19:28:48Z), 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/GBEXJ1400130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd32526d1bc4c15afe8f20bfefa83844d6fd204d33a23ce8372e67b357fb910c. Chain 2 (Bitcoin): anchored in block 958152 (2026-07-15T14:04:05Z), 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/US4R31109673.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24d3844210be6036f2ed9a2beaf77d9131e95799a86094282673898c4e7e9967. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T12:28:19Z), 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/GBEXJ0600014.
Could I Have This Dance (20th Anniversary Album)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbb04d44e5a721b2eafd5fe467d12cb16ebe751cbb96c8930a43b18f3e99744d. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/GBEXJ0800087.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0b1f928942f2f7cd4d1108617b59c706bbdaa3ddcbdecda5f0122da4e881f20. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/GBEXJ0800093.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d8fe70bde23b2093bf1889ca93634f51f9a46e59bcdf87000edbbd5b4ee70ec. Chain 2 (Bitcoin): anchored in block 958054 (2026-07-14T19:33:24Z), 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/GBEXJ0800091.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf9a042f8694230bffb074cf08124e69d706bde9e806713cf3f19ce1d9531ae9. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), 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/GBEXJ1200084.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03d3fca56bc208ec475f5cb4180845f91569ed77f1e4153d1e97a16275fdcaf1. Chain 2 (Bitcoin): anchored in block 958054 (2026-07-14T19:33:24Z), 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/GBEXJ1200093.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb10511731fae029ad83f7af89764dfb905ba0eab729544c77f8d48aad4ae3fbe. Chain 2 (Bitcoin): anchored in block 956397 (2026-07-17T02:30:50Z), 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/GBEXJ1200101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47d5575f1b68cbb74249297718f5c4610274e9a35752673bc933d6d9a9d450a0. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/GBEXJ1200103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6855c9a5910883bcabe25db802a1de95f9e8c7c88cd1ee2c022a206d0f63495a. 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/GBEXJ1600098.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdbb68cb33b1bde7b10f161b87faaf3255628d69b0dd607137d2a7ea4805103c. Chain 2 (Bitcoin): anchored in block 959061 (2026-07-22T00:21:32Z), 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/GBEXJ1600101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fa37c9fdcb325124c63172943427b7e22d9c0bf7ebde6161115936819508044. 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/GBFU71500763.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d3ed5fcf9445ed842bbe204ad288fca802b1a32adafd611a71ad88912bd1166. 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/GBFU71500765.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5057b7998a3542552fe564f65f46fc5e450ddb652d41289a37383f3b890ab0ba. 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/GBFU71500766.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4214221cdd9aff4b07fa0833eeb1433b714e8886c195d00666cf21843f7edc5. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/GBFU71500777.
The Very Best of John Hogan: The Early Years
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57d191ac34748d395522b501bd0d1031b8c79254e403e69e35b3b700ffe74f01. 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/GBEXJ1900045.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fd9356effa1f14153e55e22289dca8834a6c04590ddb90b817fd0e491d49883. Chain 2 (Bitcoin): anchored in block 959089 (2026-07-22T04:32:52Z), 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/GBEXJ1900060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9f501d7bd831b81728dea361519ff8aa76a549f84fa4c27cf2d4c9bdb9eb9a8. Chain 2 (Bitcoin): anchored in block 958508 (2026-07-18T06:27:01Z), 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/IEPLO2100001.