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 0xa019bf3e035b0ac316168864200c289bf119fde405a17425414cae6552f6b86c. 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/5c825ae8-8f27-4690-b145-883fda02cd78.json and https://artists.proofprofile.net/proofs/artist/5c825ae8-8f27-4690-b145-883fda02cd78.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Rebecca (Gesamtaufnahme Live - Neue Wiener Fassung 2022)
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 0xa7e8222ef8388c6d4cbaa5a230dd768421cd0b545489f8b5115d982dd584d0d4. 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/ATM892203507.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x626ebccd68951e45547bddf81e518cf3001f2dd6976fdd128c01c4a8bf511504. 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/ATM892203508.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51e216fd5c49d1ad8eb9f66de30b9dc78220f95971a4da82e3c51101fdcf7dd5. 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/ATM892203509.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e62431eb70e81af1ab8b17d1ee39e50f5f9f096070b1a0aa1d61e850666d3c9. 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/ATM892203510.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01ffeef51635446256d7e970e5577e148305187bbb1062741c5b7d9d9054b4aa. 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/ATM892203511.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc145394ace947f293702ec0c1862c899ecac6b5fd4c7801d355df46762c6805. 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/ATM892203512.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x441de240456f9a70aef3ea504453a3ca3480d74d45b31d130c2827bedd3e2c9a. 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/ATM892203513.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd5e3690bc0dc3eb3c8326dc4cd6c5b9691f4c7235dede92b9c9d3d4f85ad79e. 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/ATM892203514.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0236d36a3246754db4618fac73000391dc9aed858306f6d96a4101c27189483c. 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/ATM892203515.
Bist du glücklich? / Bist du böse? (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95f097822723188cd209a34b67bab246798280252a63f1b38ad0f764afbf3ab3. 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/ATM892203516.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf769928652bf003901136bda5f01fd82fea614fd9161a197057e766eae57bf2f. 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/ATM892203517.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06f55bebf4884310ffc03b6b5d7b152ae9881d53ef5e87e598a7cd085a19ea3b. 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/ATM892203518.
Sie war gewohnt, geliebt zu werden (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c5ffca03bf07933c2973f2091397620f8f64585237c698a68f1964a036fb997. 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/ATM892203519.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ff4cff69e387ca22b0fecf002defef5829613c68f6ebd74e74f47f7b0fbbd6a. 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/ATM892203520.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xded953490ee2e8aac0ca1fc3f88cad435c51d934f63c5750731646fd099c764a. 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/ATM892203521.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x263df7d68ab8d5558037d9c73e510ce4ec5b3a1fb32c5b3f89500ed39d2b03dd. 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/ATM892203522.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf505905ce5b0c35e4c6b9d106b976245d3768166535382d921b1274877719335. 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/ATM892203523.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x225144493d980983d88076c8a1cdade5e2a5d9abe0419d7037384f81cac64289. 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/ATM892203524.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8da3afe8d1936e5ae5f61fa917c6dff86dcc71e6d65132720a41f1dbefcd6307. 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/ATM892203525.