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 0x80ec320ead15294644328ac9726d09ce65c3de978614087e11e5847d7b599230. 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/9a14fbd0-2ace-4825-a928-5f589b39aefd.json and https://artists.proofprofile.net/proofs/artist/9a14fbd0-2ace-4825-a928-5f589b39aefd.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 0x0ae8e8e75974ee32d1b97b9d76c8ea0ccea302765c024f7fe20f0f9b2d3a8018. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/DEL051350003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b1a66a4cbf5244cf6297111ba5d71cb32755fb88f65ea2457d4e55717ba1340. 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/DEL051350004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92610de3b182350c3013119fdaf729dc31c98179f46af2687a43838507b79fde. Chain 2 (Bitcoin): anchored in block 958576 (2026-07-18T16:22:28Z), 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/DEL051350005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4ecb826d896fec7332399052b89bb7612392e373a2746aee3aa723555d372c3. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/DEL051620003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddf706755c162d11c5eb26da9c87fbae0cce98623bc256f60ecff8ec1bed5411. Chain 2 (Bitcoin): anchored in block 958363 (2026-07-17T04:34:46Z), 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/DEL051620006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a68428ac256dc6b4941be2a0b39a7ffc4149d84a2fd01a06e5cfac11d2bdb4a. Chain 2 (Bitcoin): anchored in block 958520 (2026-07-18T08:19:09Z), 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/DEL051620010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42b22877bc3f6cbb9fd2dc8d90c28c54ac34e08ab8fe64331f06450752507da9. Chain 2 (Bitcoin): anchored in block 959010 (2026-07-21T15:21:52Z), 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/DEL051620011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa12c53918f8d24bec6a130702a7b7cae513fcf53a0332a67b8feb95a57d543b3. Chain 2 (Bitcoin): anchored in block 957880 (2026-07-13T16:39:18Z), 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/DEL051910003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7488a3bbfcb340e7e97599917a4682a55a1ccc34660cb91a26746d014077756e. Chain 2 (Bitcoin): anchored in block 958169 (2026-07-15T16:16:18Z), 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/DEOX31100303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e0312e3f47c398fc540c2ca9025ecb0ec0ab83296bf4294e05fa6dd8cdf42a1. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/DEOX31100304.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x127b53f0d831d860946c02847de20f9ee275e1d6d62997c88332e9f22ae908bc. 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/DEOX31100305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc85aab863418b16ed8453b12a80605f456702e035fc646aa6b9beff6c35f028c. Chain 2 (Bitcoin): anchored in block 958563 (2026-07-18T14:29:03Z), 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/DEOX31100306.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6d0d25a7ab70c8ee8645c553a4c6096667f87a007c15107c368d556d5bdc20b. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T22:30:29Z), 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/DEWR72300060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc09cca808f7a08c81618a5780911fc09828cc75648a595cdfe3f3782f220aa12. 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/DEWR72400001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5fa9cff9891a2f99d6b52fce752b04a03868e14c25430e0a1473e0763e572f5. 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/QM6P42226226.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf5b5e134f3f0812eed31b14462cd4c07938507dea8d35959f84bc02c2c89d42. 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/DEQV62000013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d40408ee6c63775b3e34741de3e11fa53e9c8abb074318a4ac9280af69a2c95. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/DEZC62272813.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d4b813ce4c1a5f058498a0e61a62b8c0df00d9feb9f673f272a88355ae5296b. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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/DEQL42200005.
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
Seenotrettung ist kein Verbrechen - Benefiz-Compilation für Seapunks
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b4bea2d04260729a83578bec6d50146f5acd87009932c5826a34b5d1df7f4f2. Chain 2 (Bitcoin): anchored in block 960506 (2026-08-01T03:50:58Z), 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/DEOX31100300.