1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x4c81d04952a12c821c0cd4b0554133d1cd941ff68a9c573ecea212a1ec438ee4. 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/09f36b74-0442-43af-bc9b-89b9ff4ad146.json and https://artists.proofprofile.net/proofs/artist/09f36b74-0442-43af-bc9b-89b9ff4ad146.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Wild Child - Fells X Joziff Jordan Remix
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59a9a60149a7c81d040fc9d687263cfc77ed540e6115670d2fc559cb05151b91. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2ntx71h6E1MPYvorPdMA38.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2ntx71h6E1MPYvorPdMA38.
{"copyright_id":"0xa2ee5281e5955d1228fe1d0cfbeababd480523d4aa1d22d303ec5f967e0a3b43","isrc":"DKUM71500191","name":"Rasta Barbie","registered_at":"2026-06-26T03:22:01Z","spotify_id":"364trnDmBJU2OarePsSh8V","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2ee5281e5955d1228fe1d0cfbeababd480523d4aa1d22d303ec5f967e0a3b43. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/364trnDmBJU2OarePsSh8V.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/364trnDmBJU2OarePsSh8V.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8466223c4f5108e2b82c4ae1d562dd49a6086691bc2d6dd2c568fddbafee733d. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5rLpF3B4rIcm5faWq7OX4T.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5rLpF3B4rIcm5faWq7OX4T.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bc7bf85d159f25c779b138419568a47677ce2ac9a0fd335bdbf1226ff92a0f7. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4MBhxBEGNcUSFNsFcOgQ3A.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4MBhxBEGNcUSFNsFcOgQ3A.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd61ad94341ec1081c0fdd6694625be876a32cd71421cf22c36db97104de2531. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0QpqgglH5ixaRLKxKYcYw3.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0QpqgglH5ixaRLKxKYcYw3.
{"copyright_id":"0xb0a8bbcc1f5bab55b34f746fb0d538fa78825f7fd404960be14a7225a9947f02","isrc":"DKUM71400335","name":"Vi To Datid Nu","registered_at":"2026-06-04T10:32:30Z","spotify_id":"3RCMQYVBmQt3jXln4Y5CGN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0a8bbcc1f5bab55b34f746fb0d538fa78825f7fd404960be14a7225a9947f02. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3RCMQYVBmQt3jXln4Y5CGN.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3RCMQYVBmQt3jXln4Y5CGN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3df8a150600b681dc213f475fd59612e1ce236c124d0e63498d061068ea1bb49. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6s5K7LimJhTfArXKIqmtCo.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6s5K7LimJhTfArXKIqmtCo.
{"copyright_id":"0x6dbe57e9c5a560b9792f54bfdc53fed72b66ac70336606eed4a4e9c33787e6aa","isrc":"FRX202033894","name":"En Million Grunde","registered_at":"2026-06-26T03:33:33Z","spotify_id":"5JVPzK2C6zN8F4eBaSQuB8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dbe57e9c5a560b9792f54bfdc53fed72b66ac70336606eed4a4e9c33787e6aa. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5JVPzK2C6zN8F4eBaSQuB8.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5JVPzK2C6zN8F4eBaSQuB8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x128f540dc9968f60f967cd9ccbe49fb7e8421ae3c46dcbc3e2641246a8601a22. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5FcOiIQhYCnQMMjJJO8kAq.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5FcOiIQhYCnQMMjJJO8kAq.
Bucovina (feat. Basim, Navid, Cisilia, Shantel)
{"copyright_id":"0x8079af97c2c204de050e250225d01666a09228cccfd12c78e490fee49bc45c7e","isrc":"DKUM71900371","name":"Bucovina (feat. Basim, Navid, Cisilia, Shantel)","registered_at":"2026-06-18T11:59:28Z","spotify_id":"4wmJwtgL1Rrix5Cqg5wHVO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8079af97c2c204de050e250225d01666a09228cccfd12c78e490fee49bc45c7e. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4wmJwtgL1Rrix5Cqg5wHVO.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4wmJwtgL1Rrix5Cqg5wHVO.