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 0x3e3347fb6423b8c61b617acc8efe8404146877710e23bcf14b622ecd7f2c1fe7. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a2c42606-6ac1-4136-8649-5a7de4a64377.json and https://artists.proofprofile.net/proofs/artist/a2c42606-6ac1-4136-8649-5a7de4a64377.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 0xc309a3455748d5e6737d652c4c4ff060ff2e449759e88080a05878d593e7ebd6. 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/GBDCA2404167.
TRAAMS IN DUB VOL 2 - THE ELIJAH MINNELLI DUBS
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1000384b0c6a1ef5ed94cc7a487b9b768759ee0708e5da92469e0b218307cec9. 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/GBJX32061958.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e6cf0fb2d88b2f99d4571c604297a809cac76dd7439264e0c6d63ae189bee62. 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/GBJX32061959.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x222c2495c7175b38cd7afd29523d86cd2f3b7f40f002dd851c068f7c1d8f1352. 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/FRX282149810.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9d96b7f9dcee4e023cc47c01886f1cd47594d44cb3e4268f08829e80ad4e6f1. 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/FRX282149811.
I Hope the Goats Come Back - "Ze-Hood De-Sham Lichdal"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95bb62a3ae773b2aff8e3a6a58fcb426fff50c2ad05560dc5fd4510a85bb510a. 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/FR96X1962624.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56d759ef8b01c79a1a4bef4102a286264d67ae77d98769914b4e14dc8af30b51. 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/FR96X1962626.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc7e311f52ffc5ae1157677981d5c22300821593df82140256645d595284cde0. 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/FR2X41916477.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeae1533c9062a54be53548768c938e50aca4a9495a1bf93e7e4458bc5b3b5212. 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/FR2X41916479.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71dd03f62923c292428eda858cde49c214c3224761d1120692a88a95b6de726d. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-13T07:54:01Z), 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/GBDCA2404169.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f6103123abfa0ceb9dd70a79a6a64301bce456380b987edb6450ecd83227398. 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/GBDCA2404170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7a8633e9480a6ee98960c3b1c411f1c5c3302078593a2a45ddd8fd59a258aee. 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/GBDCA2404174.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa42c7fdf7436fdb7e15d6b1b41a76c2b5c7c918bd6897856b6d57b2872f976e4. 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/DEX262219301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e1c1f84f3921401358f3ccf549b8aa80257147c7e9ba2319b415e6f2f61d18b. 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/DEDX62400029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb4d3b1d30c6ddbbda4536a5e5d1039c903e00352a35d170f7db336d3b6cbb44. 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/DEDX62400032.