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 0x5f634d073488a8ea5eadfb8d090ae932685956b6f51a4613a5d24679170b176a. 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/b82e26a0-7c43-4823-9910-eb7338665265.json and https://artists.proofprofile.net/proofs/artist/b82e26a0-7c43-4823-9910-eb7338665265.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 0x46b1886cca5c191fccb72dcb56445b4e03d609a05d37d5b0126433ae346a5df3. Chain 2 (Bitcoin): anchored in block 958842 (2026-07-20T10:08:42Z), 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/QZZ7T2438272.
You're Somebody Else, wenn du nicht du bist
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87d7079953af847177fca1e0eb95f1e7038b0f1c95a16f3b74d0099c9be2c17f. Chain 2 (Bitcoin): anchored in block 958263 (2026-07-16T08:19:47Z), 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/QZFYZ2437375.
Oh Le Le Tekk Itaka Mangiare Mozarella Oh La La
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc26aa8891e534120dbe11212a38ae3791e903d5b97c147c404a62a82b6394a32. Chain 2 (Bitcoin): anchored in block 958808 (2026-07-20T02:49:15Z), 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/QZFYZ2437207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92cd4f233bc76e6ad3d75d7ed63eba82b7f5de48e0796c88af978b2963b58c17. Chain 2 (Bitcoin): anchored in block 958404 (2026-07-17T11:34:58Z), 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/QZDA82457715.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64c9ef444e2296b76a1ff3a633f96c72c01164caba060cebf8c9584387dfb676. 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/QZES62486176.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c2728f6f33e9e273cf9fe05c1018fd6ee6e7562074e8fc699d745f0acf2bb26. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/QZMEN2417458.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf890dbe47a239bc5615933ba1b55c3d329d24d415cc39bb76e74634ad2afd06. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/QZTB22424860.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e2fdf8261320619d62c60bcede4a885a2123b554f0345f6f04e103f3f98ad92. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/QZTBE2473274.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0abee3f47851f4901c280a7238902d94c5da322d6444dab79c54c6c41f059d89. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T16:47:45Z), 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/QZWFQ2478439.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4cf262ce9895bdd16bb30414c44de55a8e7dbe0cd2a9e201fbbd7008e1a9765. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/QZDA62548163.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8b6c698356e0945d59ea42c10853f75fe861c90a873f872bcfecc9bfdcbfbc9. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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/QZES72502001.
NUR iCH MEiNE MUSiK UND DiE STRAßE (TEKK)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0f669d82faeaf1aeeed0b4dc7aaf69eadd3d306e00ffc0efa61a8a9c67dc944. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T16:24:17Z), 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/QZNWZ2552519.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7e9e6ab986e021e421cd32bb71f1f36afa745456c787db13a3d2f664214ef75. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T15:55:19Z), 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/QZTB32531287.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdb8014772e6e4235774e852dad3ad8998b15deabf587c6a6e0e8a41c0482fb4. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T07:33:03Z), 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/QZTB52551355.
(M)eine Geschichte [MartinBepunkt, Marque S, KEDY Remix]