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 0x2ff2a1d5bc4243fe635eabd9a88a275e4fba0889850a7fa1072099afb424c07a. 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/c00be939-f9d3-4255-9496-d10ffe448644.json and https://artists.proofprofile.net/proofs/artist/c00be939-f9d3-4255-9496-d10ffe448644.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 0x228012824b8e8fb54c807980f34589013161c3ff3838fe6c20551cce0111e82f. 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/GBHMU1400287.
Can You Feel The Love Tonight (with Lisa Angell)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf822f8ac9f6777dd0a44ace186a150a38ac792c2782ef683affe357126d1958f. 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/GBHMU1400288.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d2ea8ebfdc53671ba2cb47e5b14456e5a922c3b897998464c3370fb37df8320. 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/GBHMU1400285.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4f415f7db59c750e6fdd85ea87305f01ebaa973e2c94667489e441dec127b1c. 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/GBHMU1400290.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb86ee0e492e3e35b9e437cbe6e3e8be3fea013b20b138453882222ced8b1fc0b. 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/GBHMU1400289.
Le Temps Des Cathédrales (with Vincent Nicolo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd68e97da86a655c80f199f1bc0ff65f6c46c006d86a3b73ae24791b95b28f8d2. 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/GBHMU1400286.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x501bed72d341a9b24f5f05c44608801af080b51d30dc5add21528cf94a7b0b0c. 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/GBHMU1400292.
All I Ask of You (with Kristin Chenoweth)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0096aae5c5273920c97d0acc8bda29964304464a471ec3f9868a00eb44d12c1f. 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/GBHMU1400293.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d2c14026b7f45b3ffdc6636f58edfdacac858b14094d830d97fddbe82d3439f. 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/GBHMU1300233.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc20d0c1193bf28a65d0c7525fbc9e8a100d62ac71a3b1fd959538b7e9d21356. 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/GBHMU1300234.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f40c95359368d039d1bf364b54f988ce5c33b8602f413b76f0ca7ab1b44d0e3. 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/GBHMU1300239.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e553267b3dc7d80dc88dff9dadf768f054bdbe1a7ef28d4c8b9c266dfd36f74. 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/GBHMU1300240.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49e763ee1b2dd9bb6dae692ea6bb1b4f46d48ce5750d2379269adfde8eb226bd. 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/GBHMU1300237.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11768f62131f39857fe2efab4c699214b5657706cddc95c452c8964a2dcbb220. 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/GBHMU1300236.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeef948c595138109c7666c291c76eda118e973bf8ecf1894b78bad21461a0da7. 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/GBHMU1300232.
Can You Feel the Love Tonight (feat. Heather Headley)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24e683593b1d28fd68b58a5fda2f0679dc4a7abbc361e1b27890fba38b16a9c7. 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/GBHMU1300231.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d2c14026b7f45b3ffdc6636f58edfdacac858b14094d830d97fddbe82d3439f. 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/GBHMU1300233.