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 0x1d30e134cd98ea62bbbcd7ced090dacc38a328b4cf348ae4e43f2b0ec7503bfd. 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/40cbc4c3-82b7-47fb-9ef2-8f2e68158c3e.json and https://artists.proofprofile.net/proofs/artist/40cbc4c3-82b7-47fb-9ef2-8f2e68158c3e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Monday to Sunday (feat. Stonebwoy) - Single
{"copyright_id":"0xe19dbacdd0da12cd934c1f7a9dc648cc4dc145dea6ab17a24cd64b8c6a878d8a","isrc":"JMI031500002","name":"Favourite Boy","registered_at":"2026-06-10T18:34:13Z","spotify_id":"55b5OyaNVwgY38XhchW427","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 0xe19dbacdd0da12cd934c1f7a9dc648cc4dc145dea6ab17a24cd64b8c6a878d8a. 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/55b5OyaNVwgY38XhchW427.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/55b5OyaNVwgY38XhchW427.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x407c322f732c8b4e1590cf7c57d2effc3a9b4c1bc409bf984d98c8d7a0087450. 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/4LkNc9KXS8Ghq7bbErKBCe.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/4LkNc9KXS8Ghq7bbErKBCe.
The Biggest Reggae One-Drop Anthems 2006
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b3eed40a2e4fea4bf0bd89a553978abbc1c496886ac9523e1d24055545b2ce5. 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/27G622DeDpNvyG7f1L85g7.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/27G622DeDpNvyG7f1L85g7.
{"copyright_id":"0x824d097ffca0cb2df7c027d43edbb3c1637b4358fd0c0b07f597d96b435169c7","isrc":"USA2P1117691","name":"Love U Loud & Clear","registered_at":"2026-06-07T02:49:03Z","spotify_id":"7jKLqqrsKy2GbqDmSK7rs1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x824d097ffca0cb2df7c027d43edbb3c1637b4358fd0c0b07f597d96b435169c7. 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/7jKLqqrsKy2GbqDmSK7rs1.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/7jKLqqrsKy2GbqDmSK7rs1.
{"copyright_id":"0x8cfaae89f56b7d0df324f4cddf424194646e62ba5ca08212a00ac4cc4d2eefcc","isrc":"USVPR2200041","name":"Really Together (feat. Lukie D)","registered_at":"2026-06-25T20:24:12Z","spotify_id":"6rX0WZhIy5NznIoqbhfVBh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cfaae89f56b7d0df324f4cddf424194646e62ba5ca08212a00ac4cc4d2eefcc. 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/6rX0WZhIy5NznIoqbhfVBh.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/6rX0WZhIy5NznIoqbhfVBh.
Reggae Jammin, Vol. 4 (Deluxe Version) (Edit)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43252d1ea95773692dd53d0de9a8885b91fb5d32df96042544709aa8298cf6fe. 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/77GwKctJGW2rmPVVH5WaZC.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/77GwKctJGW2rmPVVH5WaZC.
A Year In The Life Of Heavenly Bodies 2014, Pt. 2