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 0xf1086205f7724fe476fc014b962ad7eb300fb0611ce60ffe6a3a0618d7c5f038. 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/6173ff89-89b9-4e17-b3b8-4bb50b77c190.json and https://artists.proofprofile.net/proofs/artist/6173ff89-89b9-4e17-b3b8-4bb50b77c190.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 0xe3efe23f936b1915dee28b5eedb0bdcca49d21f9f83247b52fcc89d9a35fa7d7. 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/GBTDG1302576.
Pull Me Through The Fire - Citadelle Remix
Pull Me Through The Fire (Citadelle Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8ec7ecb28efde1f46c3d4cd88e6300ae44ac735e81df9c63316a4e8b33a69de. 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/NLM5S2402143.
Pull Me Through The Fire - Dice Of Nights Remix
Pull Me Through The Fire (Dice Of Nights Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbac9f7c6cfc1ec4d5b1f54ededf873d9a7d6c3c6175a84d3512367c967c20646. 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/NLM5S2302121.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54ea0ecba7a121aac679ead97dac0a71ed8db1ce588302202444608c5d005c4b. 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/NLM5S2302064.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e34d37c844adb9b7aa15a668dcd0f67ea7e386ebb8aa81006ff5ed601937159. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/GBEWA2400120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e34d37c844adb9b7aa15a668dcd0f67ea7e386ebb8aa81006ff5ed601937159. 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/GBEWA2400120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e34d37c844adb9b7aa15a668dcd0f67ea7e386ebb8aa81006ff5ed601937159. 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/GBEWA2400120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3efe23f936b1915dee28b5eedb0bdcca49d21f9f83247b52fcc89d9a35fa7d7. 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/GBTDG1302576.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec6879051513fd9ccd9d77245caf5ca88dfcae2444b5bc7e020036222d440dad. 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/GBTDG1302577.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1aee972a32f5851f026e96a0b95096eed066908450e015efbd6a57b4ce18307. 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/NLD682501380.