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 0x523f04f21a02cbfbed1a57b6e1a17594194b1d7d0d6ac78acf4a2a242aca574e. 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/093546d4-0d32-4e72-a635-7db62a1c86ff.json and https://artists.proofprofile.net/proofs/artist/093546d4-0d32-4e72-a635-7db62a1c86ff.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 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 0xe65c1429479c4c7ddf94e607968f14c05f9b1941235f68d7f5ff0aad3311c116. 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/USUM72014835.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0063c3602578d6c0ab13f7bb93ac39dad35dbda15d41b5c59ceeac875bc11b7f. 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/USA2P2362333.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd738dba72c7ae9eaab57641324ef4bd00ebc9bc7aa11306a0f0418ecfb97ee88. 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/USA2P2153519.
Love Pain (feat. YK Osiris & Meize Bentley)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5a198daae012a229a99f3746498bd29591dcc0ffe9ca6a2a82ed1747a35eb00. 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/USUM72021737.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa25d6bfdfc8d2ee60980749551356b887ca87941a5b402e94440369780a5f8b. 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/QZMZ92479879.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21c49c647be466cb33bf8aae45f7076612eacdc4b739262ac19fdfb9e7f01b7e. 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/QZMZ92479882.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3aaf67594d897b26b8c913a6fcbe4499cb50cded18e25f056efade7b3b33c3e8. 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/QZMZ92479884.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9535528da826abf4148258924a6ba51f4c0cb52cfcca643dc6dfc7fe7f2bc95d. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/QZMZ92479885.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e0ddd595b830c221fdc8d566d6c8b3c7c3b72ee03ee01fdcaec765e152a7c0b. 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/USA2P2244980.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0d27695f0b48796ea6577ca775dc02b7c3183182cf523ff025d3ac217fe85d3. 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/USA2P2201086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc47d0a84fce31b1bf11eb6e781543b7b59bd6747bb88c129fc964cb80982a8d8. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), 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/USA2P2146052.
Wonderful Day On Christmas (Trap Jingle)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc42a30fcefc9a312d162861fdc8fe4baf01d96044e026ae76b338eaca777ac1f. 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/USUM72019810.
Good Morning (Remix) feat. Lil Yachty, NLE Choppa
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19fd85e79b033e7ca17ea5a5acd0bd62bfedbed221c10a7f9638d3be7f75d041. 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/USUM72006805.