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 0xc8def86271d605b0d565c6fcbcd2288f28d385ee245eef52db0e7414698b82f8. 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/47c563a4-4b7d-4880-8b51-868d88d28fdd.json and https://artists.proofprofile.net/proofs/artist/47c563a4-4b7d-4880-8b51-868d88d28fdd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Jump, Jump (feat. Kierra Sheard & 21:03)
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 0x40dc2a95215d7d2f765a640d760d44ad9a8f750e69025b1d3f914ee89e9421a2. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/USGCR0700018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71fb1428fd1eb6282a6cf84a6694f9b3d193e9a5cdafd260bf8ad5b0b0713c67. 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/USGCR0700019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea71939ebfb1513dbf6fd2ba9e316c51e0b032a0c21fe4c0b679b9318236ec67. 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/USGCR0700020.
I'm Not Perfect (feat. Anthony Hamilton)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11dc9e798423bdfff0484563c764ff94d97cd43c204b4964aee92ecafe3cda94. 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/USGCR0700021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef2c7e4886a9dbcec40c8ca81ba079e5e46b13282499f0c2caa886a75f1d2308. 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/USGCR0700022.
We Love You (The LIVE Remix) (feat. Marvin L. Winans & Byron Cage)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8833caaf980d36ef0f12fc86d7d5b4d8bff42e30f5dd79d991ba945101c10b21. 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/USGCR0700023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06dfbfec6aad807288c1f8bec72a0b9f5c89ddbcea8a25b2ea81562291d3fdb4. 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/USGCR0700024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf4202f1ac4f2b9057f9780e2625eec58f1acafc26a79d7a92d7b9f0b8dd9fc0. 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/USGCR0700025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc258b0dfddcb5af789f8a4d584d2f485164a1b19ec3ade3fdf5d6ee5d4909d15. 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/USGCR0700026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7c0929001879052be3808cebdc1ebb36ced8bbaab5fc5df0d0897383503bceb. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/USGCR0700027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5dfeb6bf18dd2855fb07d952df78c4471ff832f21f2dce722760cb3ad4f03d9b. 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/USGCR0700028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b02bb02636c3b96cac6d8075cfff5131a4e7fae76b2768eac9ae95c9c813aa7. 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/USGCR0600051.
Steve Harvey Show Interlude (feat. Steve Harvey)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f809da35017a23345f656dc9508a982530ffc6ddd25935c7f06f5d4cb792805. 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/USGCR0700029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4870914bb2daacacb65aa295af6bc993f4159f2d85b2eb99b034cfc1ca4dc2f. 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/USGCR0700030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x768ea522398d6fbe2aca078fe22a9f5b5a733a8bdacbd30eb3b6ed12947bc10e. 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/QZE5P2162110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c2feb2977bfa579d696a044a30c8428920054fb8fba88d13eab219bc2c4717d. 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/QZTB92236793.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2a113e341f16534100eeceb04e6d2449db2fdb7dda42041099d005b54a58ff3. 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/USACX1600679.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe25dd37feb21cf884b910a6360df737c94080545550830877de34e4bf11b9c83. 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/USANX1400111.