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 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 0x2b1b14068fa7ca1cc2c50f08a11d0554537cbb869207c1d719b1b701d9390857. 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/1f4f79ce-c540-4dcc-8f9e-2a17b2acf300.json and https://artists.proofprofile.net/proofs/artist/1f4f79ce-c540-4dcc-8f9e-2a17b2acf300.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 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 0xc9acc6d129659bd37bf1b9b9cf54a1ee5221219d3321c2c7a7f0d944897e1d8e. Chain 2 (Bitcoin): anchored in block 959128 (2026-07-22T12:33:25Z), 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/GBENT1330220.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f258c50bad3c450a8513af89975575f23bdb6bc6b748c4df5c7edee65e7e064. Chain 2 (Bitcoin): anchored in block 958523 (2026-07-18T08:54:12Z), 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/GBLV61513931.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9af2c3e2594f16ed62d6aaf74c483dc7467a296d0c55bf06e04d59cac6244a74. 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/DERN41600053.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe90292fe977ade472a6bb30405b096abc41080c603c701513456342ea0c0b56. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/DERN41600052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5b79206dcf59565ff06164c79346a61e58f4cbd80e8ecbee0a01766594b98b1. 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/GBKQU1675161.
Search Party - The Distance & Riddick Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc54f30922d338f8568a22cda546dda0f44577ec72c3b7f96359775ab7b1485b. 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/GBKQU1675162.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdea5ccdc9933be8e433a3d73fe953d6c4067ff2581ce3a5b7ac5d9aa33b41a35. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T09:47:57Z), 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/FR96X1637391.
Sweet Summer Sins (Incl. Touch & Go and West.K Remix)
Sweet Summer Sins (feat. Mougleta) [Remixes] - Single [Incl. Touch & Go Remix]
Sweet Summer Sins - Touch & Go Radio Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabd116f1522e0b32f88f0996d9c6f73de680b5dcb92b92b1ad574509573a3449. 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/DERN41700074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5dea295b2ebc138f50d0cbd95f627c0454ead230d17b3c350e225d80d6e0a556. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/GBKQU1856325.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ad863f764e40d650b8c9501cf61beb646bde73342a067dab930f8552bd2f919. 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/GBWUL2062375.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35ddee1aecab0741177d727cc8ff6e8908762d9ec6cacf970b4eea0437c64987. 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/QZ5FN2147194.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76efccea4720803fa1cd2a4ca50dfd41e0a258836230c18d5d38673bcb6a31e5. Chain 2 (Bitcoin): anchored in block 958543 (2026-07-18T11:58:44Z), 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/QZZ8B2389224.
Déepalma Ibiza 2016 (Compiled by Yves Murasca, Rosario Galati, Holter & Mogyoro)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa9cc06b0235baac508240e234d132d973c61737176c56a2dd6f91743ca5efa4. 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/DERN41600051.