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 0x431baf4904bb2b68cc970c59e1b5a4a067b78c14103fe604b87c426f48688745. 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/68d7d876-e03c-462d-a3d2-c7785ed97e99.json and https://artists.proofprofile.net/proofs/artist/68d7d876-e03c-462d-a3d2-c7785ed97e99.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 0xd5d7a4ede3cadb0d855a046852341367f4b06d046800ddb492c108381973718c. Chain 2 (Bitcoin): anchored in block 958658 (2026-07-19T04:09:09Z), 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/DEG120500274.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c1ac5288067a1020141c3e91e058287bae3dab54d40b6b0f1aed37f3e6ef00b. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/DEG120500277.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cfd97d542c2ca30a9229a47d9ae7ff48cf8ca4d921edeb0635b28409f69e233. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/DEG120500278.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd21933b1355f2ae25f2a7f09b1e3cbedd02c7cfaf229569c0a5cae15b2a1c736. Chain 2 (Bitcoin): anchored in block 956748 (2026-07-05T05:55:59Z), 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/DEA340701522.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x838ec7aab2f474d06bd28edfdb1da86d97f1f94f078480c0f098149410268ef5. Chain 2 (Bitcoin): anchored in block 957882 (2026-07-13T16:48:10Z), 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/DEA340701523.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdee7b3977a32d7d8ffe29f25ee5ae009841f0eff4711ab13b88c82661cd23547. 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/DEA341000350.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda695e1e2d00ac8f0944a373290724b55c4722c3a2507229207d7dd42e814f80. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/DEA341000353.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02493764a6c38aa481adb2868c45d7ac75fffa31aeaa77d51db3b24492d7312c. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/DEZC62469285.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe16dfcc9f299833f7808be541e4a285af574a0aa53838fa04cccb46b17c12355. Chain 2 (Bitcoin): anchored in block 958945 (2026-07-21T00:35:28Z), 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/DEZC62469286.
Zurück zu von selbst (Bonus Tracks Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0930d00f946fca0a2cdb3414893a0ed5ea9f3249a1ce0b1d3921bba735d2fda7. Chain 2 (Bitcoin): anchored in block 958366 (2026-07-17T04:59:09Z), 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/DELV41600937.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41ad89948f70b6eb27f3d602b98cc57950a5db1e666d993d3247b693a4df93d5. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/DELV41600938.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44ca821285e7235a45a9c49fe400542c171511c421df2bec43cde8371c487725. Chain 2 (Bitcoin): anchored in block 958571 (2026-07-18T15:39:25Z), 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/DELV41600940.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4e17b5f76d03717fc9f45289432b6c46859bdca8bf47ee253223337b34866da. 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/DELV41600941.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb35f58542d92f574c32da09643650868a0692935bd1248dfa79f02c680edd697. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/DELV41600944.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x324c057bbc18a7b80aba99db8a404b43948bca04a44dbe1ce5277ae895f37352. 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/DELV41600946.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb23036daebe3d39b1c4c9f3e2fb8e6c32befbfa71fba162fe593f51682264528. Chain 2 (Bitcoin): anchored in block 958765 (2026-07-19T20:54:29Z), 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/DELV41600947.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x894e3a5176c8a9a6bb28b1d74ad22ed28addb1c9f2f42ebee14f6d25eb75987d. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/DELV41600948.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf89d55cd50fa56a0a9f8afae54504dd1e6ef0a09ffa3bc18f800c8f15100180. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T20:00:16Z), 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/DELV41801375.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1155a2be8cef6155d1ba6983e39e2d04920892cc889f08f29d449b91e06bed61. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-19T23:51:44Z), 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/DELV42000052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4edb3b2b380660a5c5d6804deaaa89b3d1d614444b89bb35472412a46fae3a63. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-19T23:42:30Z), 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/DELV42000170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49443a0c727b95025baa13caea530610cadae2f6ad46fa3779a7bfcdabdbe571. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/DEGQ12100098.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41a0b6cfd832a46cc1c30c07272fffd8f498ad8052f91b98104beb0c1692e468. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/DEGQ12100100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x690e0ecc56dde4c0857578f3aa68466c8eb5bb048762910f38e44db68eee4349. 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/DEGQ10700117.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26c6630edd36b0d26c3960b7d6a4da027863670b7b7caaebfa30b9bc9041ac31. 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/DEGQ12000297.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc537aa7c81aea206819afd7b3f5a68e40abab5ef43cb2debafd799425292a322. 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/DEWA91700029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8eeda349aec6c72c94e8c2956dcda7f52e06822225a8c30bf5abc011563ccdf6. 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/DEWA91700030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb8d41c6890105fc269e824c73c235e01e2afff41cc02635219981ae766f784d. 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/DEEK22010014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x690e0ecc56dde4c0857578f3aa68466c8eb5bb048762910f38e44db68eee4349. 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/DEGQ10700117.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe26f90cb0706387eb23dcd00dd3c0beacd559df88d373769af0594c7ff7aecad. 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/DEQR41400191.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c0d2fc082ee7213a8e7c3655c8ba09b467a3b6ac206cef641aba64511d1299a. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DEQR41400208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe28167ccf2573414704f16bf5b2e0620fb0c52f8c3754e149a3db4b6fcdc8ed9. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/DEWA91700033.
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 0x37fc0abc6e066b868931cf3eff998ff1c2882f4d1e305badebb4511dfce8c86e. Chain 2 (Bitcoin): anchored in block 960187 (2026-07-30T01:34:28Z), 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/DEQ671300021.
Heute hier, morgen dort - Salut an Hannes Wader
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf07b4946a7a632e4d3a7f6ab29945d7f39dafa15f51a5bd608cc946cf16fcd85. Chain 2 (Bitcoin): anchored in block 960354 (2026-07-31T05:48:18Z), 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/DEUM71201317.