1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0xe1953ee90b6af2b2715d1669a54e20fe6e5b2daceb02f132db1fbafd72dd805c. 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/480bf6de-223e-4ac7-888d-98a2d4746a40.json and https://artists.proofprofile.net/proofs/artist/480bf6de-223e-4ac7-888d-98a2d4746a40.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 → block OTSBitcoinBlock must exist at that height 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 0xe3b1f10d6f18fab9e945db990466acc28604286c1748a4a7a8771702bedc925b. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/USQY51607858.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0818f534b879119e3e1a7c7e70b19df0a04c284d6bc40647caf9cacc0fab1548. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/USQY51607859.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22437809147a232beda997012771b1dbf493eff2518bdfbb5b6def23485f3207. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T02:42:25Z), 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/USQY51607860.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa342546e06d9ef4b00bb0dc720f5b4906deda30569509a2d977294a63a1d69eb. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/USQY51607862.
Karpathenschlacht (Dezember 1914 - März 1915)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc832b623a30a6d2a9d43cf5c692b6c8daedf29782dd2047c5f4019c3e8356dd7. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T06:58:35Z), 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/USQY51607863.
Für Kaiser, Volk und Vaterland! / Stoßtrupp 1917
Something in the Way - Schlacht an der Somme Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37ef9dd6a3c676537f65d2a315b518e1636d3e249f59e6486242518fb661e706. Chain 2 (Bitcoin): anchored in block 958541 (2026-07-18T11:37:54Z), 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/USA2P1876431.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33e165b9b3442f752f64132dbcab472d222e6b759118fd788b39f244845b085c. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/USA2P1876437.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26d1e2aa0040f6343c2df7d88c49a94918a8a24b799eb190e910ea5cabc83844. Chain 2 (Bitcoin): anchored in block 958143 (2026-07-15T10:15:04Z), 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/ATN261987001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaece6c77817099e8164234f3f055af11318904afd497175d26248cc1a73de3d7. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/ATN261987006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98f21b29a20cca2ef96c87489bb489b3a691a6f007fe1f096b20252caaf2662b. Chain 2 (Bitcoin): anchored in block 957565 (2026-07-11T12:18:39Z), 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/ATN261987008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fa4bd75d052ea73563add0ea244897a9b4369c3c3db9feb5796b0c4a98c7a4e. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/USA2P1605960.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb275c1567717c64ab7b2d6333131afe7318fe7bc117ae997f166b10fbd368d1a. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/USA2P1605962.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd567d4cbdb29c54a83b8746c9f7486cef0c5809293829bd4ca8ce9ad87a0bdc8. Chain 2 (Bitcoin): anchored in block 957899 (2026-07-13T19:36:39Z), 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/USA2P1605964.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a44a83516b248a662041ed580dcec3d22ee318e6061efb21eae36370a6d2c48. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/USA2P1605965.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dc49493a1e9eb097eebdeb8490beeb532aa2771c1c67cf5413e85c55591d020. Chain 2 (Bitcoin): anchored in block 957898 (2026-07-13T19:28:48Z), 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/USA2P1605966.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcff2dbf6debe18409720e8cfd8d093c6a94e459d7d29673daad993b7f852830d. Chain 2 (Bitcoin): anchored in block 957554 (2026-07-11T10:39:45Z), 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/USA2P1605967.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fe63741077191d82ca0593081634181643f0b5116c81edf0b0d7361629133ba. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/USA2P1605968.
...And a Cross Now Marks His Place (feat. Nick Holmes)
...and a Cross Now Marks His Place (feat. Nick Holmes)
Pillars of Fire (The Battle of Messines)
Pillars Of Fire (The Battle Of Messines)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b094ca55980996d2714d342763a6236edd3291c5603409a129b5178a334de6c. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/ATN262106810.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1693084ed50f30be99d361f6895f7057e75b4e3215f3085b4b85e8dbd137a4cc. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/ATN262106811.