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 0x16586949cc4cfb79e30705a6c5480b49d1ecefccdeb3cc3649ff8621f0a824a0. 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/48809ca2-8085-4e7d-9396-61f4c14c32b6.json and https://artists.proofprofile.net/proofs/artist/48809ca2-8085-4e7d-9396-61f4c14c32b6.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 0x569c307c861f3e0c7945f7068fc8d11026533927a4828a3686341dfcda0b269f. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZES81998498.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00ba20e9654c333e55ab6178893aa937a33e051f6d0a570247f653099cb0c7d9. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZES81998506.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e6ef3f42265f81f451b619bb650061cba73b7d80328491463b1c230bbe6f852. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZES81998510.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22cda1cc3faf44a6cd2c9c3e13c611e9cb8f83d5fa4545757e0382e6da68f222. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZES81998514.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3623e09a2474ce1e763f24cd435b5a906066ee3f0ead41ae4807e8de80a925b. 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/QZBRF1815302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4df66f76bfecd6b2475a9ba4097e8f8429d9fd331f9f10d6eada02c883035f93. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZBRF1815303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22fc44e5a17840dcc3f80b1394dc4d0cfd793f3b21d70e01145b20267c360b99. 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/QZBRF1815304.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3aca3b5d1f69c1bdcca85b5409548e892473c2ee6972d0944c17b471d018af26. 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/QZBRF1815310.
DON'T BOTHER, THE TRUST WAS NEVER THERE ANYWAYS
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x228832b2689a325f488b99008be7146521a1907f71a785bf72beef97fcf5c8a8. 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/QZBRF1815311.
Coping With Frustration / Finding Yourself
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d56ca9506e8d25150b4d6c9b67db33351886d2b35c9dfe19e220ab754f49ba1. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZBRF1814749.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35c970440b39eb1d0f7eec54722c075fa4850b3487662e828bfd78bf48caa617. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZBRF1814753.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9760c3a6eba29a0ee6363405ea5bb6847b7e0454b6b5d0410ad78442357f2336. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZANL1719362.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9549b09f056a6c0ab2eb95584ea67cfb0112f64d1f3881eafefd1f9fb012089f. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZANL1719365.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24fb8ac5682e282f1e42e1cff1bcfec0be9e982607e89dbe89210a82253c5b16. 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/QZANL1718658.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e790f2a3cd0beed89a497f81903739e19e12653b4f428fd0c299482a4710e5d. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZMEN2075068.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b97c08cecb7205d8ba15b6888605cc7fdbec0172d6a9315a7448f11d19ee414. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZMEN2075069.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe38205e80523976d848a607edba2d31eb5249df10c20846a4d86fe5e0d54a85a. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZFYX2075117.