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 0xeacfa6050f098ddf7bb4d9285419f2a28989f5c843b5812af058cf6ea2091375. Chain 2 (Bitcoin): anchored in block 953842 (2026-06-15T22:22:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0027e0fc-fe51-4ace-840b-4337672370b0.json and https://artists.proofprofile.net/proofs/artist/0027e0fc-fe51-4ace-840b-4337672370b0.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 0xbb04ece51af5597facfc3f00f284cef819db7f033fcfa83e7c3f85df91501fc1. 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/TCABX1422940.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8a1f7efc89cfdb7501e84d3dd659216a35fcbba1ffe6816c91cb4d4dec84e7a. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/TCABX1423216.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7246998c573389953df314504d75f46744ec71c3ae06e10c33e40252f3d80642. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/TCABX1423262.
Yo Solo Quiero De Tu Amor (feat. Kenix Benjamin)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82b0463331ed5199b5f660a2348f565cbb5dc616bfd9ad12e57b594dc19a760b. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/TCABX1423225.
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 0x1953aa823fdbcc50b8c0b288f7d8579a31bbe35c2cec6aed0708c14193670df4. 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/TCACR1647978.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3df12df2d02a1a4d3fc6e2562b46e2b86492caeb3f62642a0dd81bc4f2dbe12e. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/TCACR1647982.
Ya No Quiero Mas Pecar (feat. Kenix Benjamin, Shalom & Jung)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6928b59c9f18178ba3056b3d717561305712ce205af8bd3eedb08d70ee846994. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/TCACR1647990.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9c58acf9ceeba7a12e985b3db6bdd9b7e5ab83b8f827b77c6bb4f015d28eff5. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/TCAJH2559662.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2bb51e33b4d0db612d2f182e8d0aabe8ce484ed83d2c27f791de15fd1862e84. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/TCAJH2559702.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x023b8305e945be4fae9b8b8f6b44180b63200a272e2399f5be072635d98b8abb. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/TCAJH2559740.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67e9fac93fe7080997798b9014b78d1b3dc496ef8cf220e2005d067a436d6e42. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/TCAJH2559844.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x197f66b76891cefa3ae5503e9d4fab387900e45d66e07cf44453083449f7a0fa. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/TCAJH2559801.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x532fac53304302865b806aedc9199729db0cd64be6a73032aca5832b678bef6c. 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/TCAHH2357651.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba363567ed201b038e563645af00a9067edb2ae98f6ccdf6e792ce68fb63266d. 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/TCAHH2357656.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72b5033bdf080d2c74fe292bd54fc21d28dca3e41a6d2e9f22539cd5f15f9ccd. 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/TCAHH2357677.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae07b1e092611f79d77a4b837d8643d0b32c76690009bd7b9f43f4cb250a4893. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/TCAHH2357679.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf880aa51af4a81ff481851673efe44727575f93e114e24f3f8d4bc07cf5ebcc1. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/TCAHH2357687.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d80e92194fb73d02004083b16aafb875de802a310a0f8c269af39af129d6473. 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/TCAHH2357703.