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 0x2a2fae29b2f6b23e4c266227170b30bf36309e8cead259f67269e17a1f75e915. 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/a8c6f8f9-5578-4ed5-b833-cd4d31d8c864.json and https://artists.proofprofile.net/proofs/artist/a8c6f8f9-5578-4ed5-b833-cd4d31d8c864.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
When I Look At You (Acoustic Version - originally by Miley Cyrus)
Misery Ft. Eppic (originally performed by Maroon 5)
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 0xe6814dab76d66e804205e5b78a8bd19d0c1938c5dcd44f880d4df6656fbdf84b. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T05:29:55Z), 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/GBDMT0801637.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x473beb4d2ed089900e0a3c727e53d7ab08ee7a625f2056fda8f479d5a5d4e68f. 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/GBDMT0801640.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb598569b5a324e4699e1891c1e4fdfb343f01f324f0f09c0343b94d2c804af4. 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/GBDMT0801643.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b7a3c9d2554804d25aa40bc0874f6e85c65493680ca6c7275b2936b5fd45cf1. Chain 2 (Bitcoin): anchored in block 958558 (2026-07-18T13:44:16Z), 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/GBDMT0801644.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x940f60d1059e3b58a12edb56595172d392b6e9ac5149cdad0e2dc8c3f57bad78. Chain 2 (Bitcoin): anchored in block 959063 (2026-07-21T21:45:32Z), 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/GBDMT1200277.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x907baedc9b5de186b9cd199e159de7f4cc73ff0afaf818665273a968a3fdb137. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/TCABC1160677.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x472881e10a2f4c7060b8d9510499119c426f594672bb789651ac1044dd3e6a73. Chain 2 (Bitcoin): anchored in block 958558 (2026-07-18T13:44:16Z), 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/TCABF1236730.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf22a733479f7855df95e8c70641371730bcc3b37e2faa32d0b5db91f7a4d0500. Chain 2 (Bitcoin): anchored in block 958216 (2026-07-16T00:00:34Z), 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/TCABI1226387.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1052114e25eb5cbc2514ad800a84b82d36333dd9ab6841592e066ff38a27f220. Chain 2 (Bitcoin): anchored in block 958823 (2026-07-20T04:29:18Z), 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/TCABI1226384.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e6b42d53f9d36009e5f6d974bfa995d32f0dfff105097093a3f14870acdd282. Chain 2 (Bitcoin): anchored in block 958216 (2026-07-16T00:00:34Z), 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/TCABI1226389.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef9f77b5ff10826c370f924663ccf053db99fca40e2f78a4e1073e2a115d9491. Chain 2 (Bitcoin): anchored in block 958839 (2026-07-20T07:01:59Z), 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/TCABI1226391.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1927993dabffdeb674c03ba3ed3b1c2660c286af83509ed5ed3008e29bc47f73. 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/TCABI1247830.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b717c4d6c3c3fb905ba92bf371847d13dad1a42e3abb898c95f3ecefa02c98e. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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/TCABK1205187.
I Knew You Were Trouble (feat. Corey Gray)
When You Were My Man (When I Was Your Man)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5d68f015dd9cf63bb87c809b2f78c74bfd8ea25f43437d52b4aac7e7e70c1c0. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), 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/TCABM1356376.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81de795d22592c46eef6b323b9ee4dc858e681bf9b162dd1e4df3be86f48a42e. 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/TCABP1361887.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd334ce0b81cf716f5cd8e7ad8df54c2603b2189726f7680ceab9cd99e37ebf4e. 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/TCACC1425900.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbda77789d31a3b954a2fc21d80c1691578d1ae87b1dd449f067c808d546b761d. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), 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/TCACD1566327.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52b32e1203dbf490adc8cf37dc9265302ac7b97998dcd858c2e162ecd933b052. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T15:55:19Z), 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/TCADM1845052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3e95ea09ef9e7d573d04eae26d0e9019177923a2ae9d266e0a727db9b514e39. 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/TCADZ1813862.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1245c8926d7c184e82e48faef12192bd2851a3c5c3e33c652883936017b07a55. 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/TCAEN1934150.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47762cf8f168cc8f40e7e1fcd635dcdaba764a7d20273b59d31f3f82861520cd. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/GBDMT1200365.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9a54e1c28f6da561b1e18b666e2afd7403c2e40aec8f3157ac0a13529f4d3ad. 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/GBDMT1300718.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ac5530aadf3bbc8bc414405e19423671b8c1c6e4ebd2e7669b389bbd799ef85. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/GBDMT1200409.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47762cf8f168cc8f40e7e1fcd635dcdaba764a7d20273b59d31f3f82861520cd. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/GBDMT1200365.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44894247591dd62b2296f43f6043333655cdb487658691bc8b7ca4b97c2edf49. 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/GBDMT1200349.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47762cf8f168cc8f40e7e1fcd635dcdaba764a7d20273b59d31f3f82861520cd. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/GBDMT1200365.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa700e333c80c71e66e0da9ef5353ce2ac6981634fcf33a94edcc112e6ba58f1. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/TCABW1484810.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01f252976fe27dba97d235332c6fb4261b4c7f655300ba72079f1a01c96f0155. Chain 2 (Bitcoin): anchored in block 960250 (2026-07-30T11:13:28Z), 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/GBDMT0801687.