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 0xa75e342dff014b578f16846ce1c1a002f50e581539780a886f161a8c7290fe98. 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/fef1dedb-9a27-4f0d-bae1-a8830f7795aa.json and https://artists.proofprofile.net/proofs/artist/fef1dedb-9a27-4f0d-bae1-a8830f7795aa.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Cappa - This Is Love (DSK CHK Remix) - Single
{"copyright_id":"0xd0df0ebffbafbf80f3ed19f4cc0b0dc373da62db1fcb61ad51e2b8fd6a786804","isrc":"QM24S1815660","name":"More Than A Stranger (MC4D Remix)","registered_at":"2026-06-06T16:25:31Z","spotify_id":"0lNqydA9q0wV1wDym00uX2","type":"track"}
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 0xd0df0ebffbafbf80f3ed19f4cc0b0dc373da62db1fcb61ad51e2b8fd6a786804. 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/0lNqydA9q0wV1wDym00uX2.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/0lNqydA9q0wV1wDym00uX2.
More Than A Stranger (James Carter x NLSN Remix)
More Than A Stranger (Jaydon Lewis Remix)
{"copyright_id":"0x91def8bd0d1f17a2f3e3664f50c7bcdd38733df4540434a5f601a75bb87c9de1","isrc":"QM24S1814079","name":"More Than A Stranger (Tritonal Remix)","registered_at":"2026-06-23T22:45:59Z","spotify_id":"0F0WbWjz5qBDObx276NqWv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91def8bd0d1f17a2f3e3664f50c7bcdd38733df4540434a5f601a75bb87c9de1. 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/0F0WbWjz5qBDObx276NqWv.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/0F0WbWjz5qBDObx276NqWv.
More Than A Stranger (feat. Cappa & Ryan Hicari)
{"copyright_id":"0x7eac4c75c756c3a197703b7aa854ced357f3801ec580b363ca9ce768be98074c","isrc":"QM24S1804493","name":"More Than A Stranger (feat. Cappa & Ryan Hicari)","registered_at":"2026-06-11T22:41:26Z","spotify_id":"6qc9V5hnDYycfwvORNrGrK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7eac4c75c756c3a197703b7aa854ced357f3801ec580b363ca9ce768be98074c. 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/6qc9V5hnDYycfwvORNrGrK.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/6qc9V5hnDYycfwvORNrGrK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd41662c50d6e0075ed97f5c9932f25435943b9e9a4f7d010f6a18b4675b705dd. 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/6MxBf0usKAiS6eRdBsQeYL.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/6MxBf0usKAiS6eRdBsQeYL.
{"copyright_id":"0x8f02eeecfcf3a6cfc458ae380d9583d85305e0787f803cd774e40b5d4508a493","isrc":"TCACU1652386","name":"Sleeping With A Ghost","registered_at":"2026-06-09T18:39:40Z","spotify_id":"6E0uxvcjpuB2AQHW26FR9u","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f02eeecfcf3a6cfc458ae380d9583d85305e0787f803cd774e40b5d4508a493. 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/6E0uxvcjpuB2AQHW26FR9u.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/6E0uxvcjpuB2AQHW26FR9u.
{"copyright_id":"0x1e2ad5480b2fd734977aee686011b65d1f3cf06d7e30274953fc6ee6e4c6ba4d","isrc":"USA2P2229838","name":"Feel Like - Midnight Kids Remix","registered_at":"2026-06-09T17:32:04Z","spotify_id":"5uFa0IHSTG1egoKWOrDw1q","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e2ad5480b2fd734977aee686011b65d1f3cf06d7e30274953fc6ee6e4c6ba4d. 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/5uFa0IHSTG1egoKWOrDw1q.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/5uFa0IHSTG1egoKWOrDw1q.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde03408ce878fc6db2923b3d35a82a85ffbed8d8d232c3c2d0464361782c5c1e. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2pbwzEK6c3PtqUiemlxHse.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/2pbwzEK6c3PtqUiemlxHse.