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 0xcdd1a913e8eb5bab42fa7ffea269b78a1429cf6e76924ac2143855f2e1a794ea. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d3e7441d-7704-4790-b93b-5a0ab51cd5d2.json and https://artists.proofprofile.net/proofs/artist/d3e7441d-7704-4790-b93b-5a0ab51cd5d2.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 0xb9f93873644b22c6e512f8a7886170c41fed86e096f0ea213b9241d0e07fec9a. 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/QZMEN2036209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd487c7c09969c908695024f9cd616e53f1a660709a097bb1fb38ce0de392e48. 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/TCAEL1902798.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c7b8d0f42e5353b9767f83d630e108049a02ab750b8779b29041dc3aaf99d3b. 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/TCAEL1902801.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ab467ee7add6d7f1fc9cf6d60a7fa900126cd15f64980c995626acfdc2ccf10. 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/QZES81983552.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x814400baa6777898c73090c7b11735b90b467474c3752717c73895079f8b1176. 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/QZES81983554.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88a986332427ca0724fe21ac389f193aaacae86757caf30631cbfedf62412042. 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/QMSDU1700296.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6319c3b2dd4f74d7f8f04a654b3d89cf7db785c1d0544dc0a21cf027d07c1c49. 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/QMSDU1700297.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd3a9003dcc76aa174f73aa877a1c47da9cd06ab3a9950804975e0beaaf2a835. 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/QMSDU1700298.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc75a074942f7530ff20ec58cd54e42d6ddf8bc618cc169f13b3e0cae91703c33. 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/TCACZ1768904.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f61867f021738ff7be4d5540f9ad52d5e8cb4b1678fa01c3f3dd5ebc254c49e. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/USUYG1081969.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8da884921e0938566e73dadd0b4eea8fe9fcf01ca7563a4dacec729146e14a27. 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/USUYG1081970.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d02637882170b00734a13cab168333e3a33013d2c5d0d76be82fee92da549f6. 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/USUYG1081971.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1da1621f924f54ba07871e0e26e53ae405c17c5f07e941a82a1ae7bc55aebe38. 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/USUYG1081972.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd91ae1e7883e5b11a2606240ec8616f35059b6488ca85b7aa12fec1e2fdff635. 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/USUYG1081973.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf21c84375b9e29b2e8659e2f89cb234a482e45424d1cc117c0e17177cff56de1. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USUYG1081975.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9f93873644b22c6e512f8a7886170c41fed86e096f0ea213b9241d0e07fec9a. 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/QZMEN2036209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc917d80626d459a566f16cd31564e2a583d5f60faf021d3e4b74fafac277406b. 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/QM6P42078469.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cdf592f5a348f55a0f83ed16539ed8250c3fef09eabab65369bb8a045f268c4. 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/TCAES2066004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52bdc71c25724e727ec1195c95fec61517002690302ae032196c687569f58623. 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/QMSDU1800029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21d7e17f87ec46574c0f357ffbe690f1e216004e600ddd974b8254df87d4e0bd. 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/QMSDU1800028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc75a074942f7530ff20ec58cd54e42d6ddf8bc618cc169f13b3e0cae91703c33. 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/TCACZ1768904.
Are You Around (feat. Polyester The Saint)
Salud (feat. Michael Christmas) - Single
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x774f7eadbf9aaf2120f1a039c7a8ed49d7ae6539d6e9b8e08d4365269cba3168. 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/USUYG1096150.
Laundry (feat. Michael Christmas & Larry June)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26862507f777e16cfb4942fea818620a4c48ab264b5fa4cdd327602e90f725bb. 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/USLD91722886.