This year saw the beginning of what became known as the First World War, after Archduke Franz Ferdinand of Austria, heir to the Austrian throne was assassinated by Serbian nationalist Gavrilo Princip.
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 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 → 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 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 0xdb67240b914f774fe23dd2253682e7ca13fd93979c4991339a513b5d5ac0c1a1. Chain 2 (Bitcoin): anchored in block 958594 (2026-07-18T18:05:01Z), 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/USQY51607861.
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 0xbd5013b9863e5091354866fc118e3a774b4fb794dce0aaf016bc018db9bca90c. Chain 2 (Bitcoin): anchored in block 958585 (2026-07-18T17:05:16Z), 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/ATN261987011.
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.