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 0xa58145bfe1339e549bc27d36e5e1ea4166b12271fc32ab70e843bc2a018ab0c4. 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/cd65f578-9d06-499e-a77a-8442cd54ca68.json and https://artists.proofprofile.net/proofs/artist/cd65f578-9d06-499e-a77a-8442cd54ca68.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0xb371458534fda9c3c91fd627172cf8a94c5f8fe51f2696f319a354a008dee33c. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4JN76KTK4PYZtBcapjf3YN.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/4JN76KTK4PYZtBcapjf3YN.
{"copyright_id":"0xd36ba738758fc8a4b78bed7fc70c4afb489824e545b0cfda9d8eabb8ebbce477","isrc":"GB5P52300002","name":"Ode 2 Reverb","registered_at":"2026-06-21T04:44:54Z","spotify_id":"1hniXTL3WFNWJWVPZ4KeYG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd36ba738758fc8a4b78bed7fc70c4afb489824e545b0cfda9d8eabb8ebbce477. 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/1hniXTL3WFNWJWVPZ4KeYG.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/1hniXTL3WFNWJWVPZ4KeYG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bf4e619abb5daa6f87f6755f098971dd6613f75d71082ac28ddb5da890a39ff. 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/2NijCUDANeWPkjATN3y53i.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/2NijCUDANeWPkjATN3y53i.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb4d33489eb8c89fc0b518771a76fae878338a688c54676759919ff1dcfdc97b. 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/265eKvuNo0Qf6z0Ukqqnfb.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/265eKvuNo0Qf6z0Ukqqnfb.
{"copyright_id":"0x734c761cbfb05bba413a2fb7ecfcc062bec477ac6652f899df1dfb2694c4532a","isrc":"GB5P52300007","name":"Lost In The Function","registered_at":"2026-06-25T19:42:05Z","spotify_id":"1PJX92eHuOLoZneLJQs5U8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x734c761cbfb05bba413a2fb7ecfcc062bec477ac6652f899df1dfb2694c4532a. 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/1PJX92eHuOLoZneLJQs5U8.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/1PJX92eHuOLoZneLJQs5U8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1426850db4d9a3ea9d2b4393674cd173664bce11aade2475278022804c01f877. 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/6SVYuIUiO0r43UEAwdl1he.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/6SVYuIUiO0r43UEAwdl1he.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x060565a6018a4d8131caed9beaa4b08edc36ff3e2b8bf8c64ac1c1c4662ed070. 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/0MKFT23vDnCR2FeDxSRzAw.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/0MKFT23vDnCR2FeDxSRzAw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x520f12172ffe07d6db64183e190b3c52a2e24599df95b449d6d0a1b3f1d35930. 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/17K5oWtNZ8tvouUZxTrKVq.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/17K5oWtNZ8tvouUZxTrKVq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb30472ccbebda44e78466012ec076c0f68372799618f843b3f38f39e6331c3b. 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/1dLKHjgmWUvO3zq8ajI7D2.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/1dLKHjgmWUvO3zq8ajI7D2.
Soul Jazz Records presents KALEIDOSCOPE - New Spirits Known and Unknown
Late Night Tales: Jordan Rakei (LNT Mix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3084f753ca7ff91f66cd5ff7167ea73fbd42eb7999847fe58339d81199905a91. 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/1SpPF2yoht3LIaMA6bbXb4.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/1SpPF2yoht3LIaMA6bbXb4.
{"copyright_id":"0x734c761cbfb05bba413a2fb7ecfcc062bec477ac6652f899df1dfb2694c4532a","isrc":"GB5P52300007","name":"Lost In The Function","registered_at":"2026-06-25T19:42:05Z","spotify_id":"30bTFyhJaeyEaU1D6E0UKI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x734c761cbfb05bba413a2fb7ecfcc062bec477ac6652f899df1dfb2694c4532a. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/30bTFyhJaeyEaU1D6E0UKI.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/30bTFyhJaeyEaU1D6E0UKI.