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 0xd38b394fd96d7a8779bf8dad20dc8f5e15447d34640f00f3ffb0d5b5b538db3e. Chain 2 (Bitcoin): anchored in block 954573 (2026-06-20T15:45:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b5121c8c-d463-4de1-885f-c5b2cdce8047.json and https://artists.proofprofile.net/proofs/artist/b5121c8c-d463-4de1-885f-c5b2cdce8047.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
TINA: Das Tina Turner Musical (Live aus dem Hamburger Operettenhaus)
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 0x29da7844cddde7deb38d62826a425a7aaa49b38ce5eaace6310a583ebf787183. Chain 2 (Bitcoin): anchored in block 957056 (2026-07-21T20:30:21Z), 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/DELE62000408.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93a13cbf5b74c10766ee44803bdbb6b34e3857a0c55a9e77f0ade1c9694dd763. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/DELE62000409.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf15828b9abf683dc68d392617ce1bd0273f0a6aa4ca2f61d75d992dbedd0efa. 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/DELE62000411.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95e0ec8c4728012eb2a1f0ac14120b308ec6add7436b21d0b32e217ef10b4cd3. 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/DELE62000418.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x060b455a7a0b0b5527c0d45f13c911bf29f9388713a4e5d1d8cd78d1a4d6e123. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/DELE62000424.
Regen fällt wie Blei (I Can't Stand the Rain) - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90478a8c721d138747a2d6ab0bca22963e7b8d64dbd16c43c42b6de86a1fdcce. Chain 2 (Bitcoin): anchored in block 957041 (2026-07-07T13:25:45Z), 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/DELE62000426.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7b6ce5ac520ebfe80e7a1dcad91c1294d2eb99ae5cf9dc5be40fbbba889ea30. Chain 2 (Bitcoin): anchored in block 957065 (2026-07-07T16:43:21Z), 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/DELE62000428.
Wir woll'n keine neuen Helden (We Don't Need Another Hero) - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e68178032cccd5cbf1fb7148e138665a2a0498e74323af6ed06867a06e980b7. 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/DELE62000429.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe257b961440a4f1cfe681edfce0fd0d2078f818996a995ed324fc9ead19a8a68. 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/DELE62000430.
Ich kann einfach nicht mehr streiten (I Don't Want to Fight No More) - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d6dcdd269ff36b812dad94581d75fe6fc9ca1e5e55cce34e61bc863e624745d. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T19:51:23Z), 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/DELE62000422.
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdec6ce70f90748a9c7e101f39a9d2f4c9691a0475df5b7ebd7b4b5667e1ff45e. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), 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/DELE62000413.
Wir kriegen das schon hin (It's Gonna Work Out Fine) - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91e0109028f31f0e3c2af1e3ecfcabdabed5a49f6cb84b24a6b9a8d921b634bb. Chain 2 (Bitcoin): anchored in block 960200 (2026-07-30T02:37:10Z), 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/DELE62000414.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x561cd3dbe2e850ee2797088710add26c139311062031e28102753d57e0384671. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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/DELE62000415.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e6a8ae8195f73e27399d78d193c04b8a042be5dbbce11e0c7fec5e130658832. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/DELE62000421.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc11ef30751fec03f90eaa53003976f3b66b56e33576a6cff8765a67c1951c89. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/DELE62000431.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc90e118269665e708fd7aad93f59c6012157c7d240fbe29229ef3606487e630. Chain 2 (Bitcoin): anchored in block 960163 (2026-07-29T23:20:38Z), 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/DELE62000432.