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 0x1fba5ce5cddb434c53b6eae0458153527a2656418898c53b001cbfd67aa424ed. 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/a1736da3-cd3c-4f49-b9cb-dff7364848a8.json and https://artists.proofprofile.net/proofs/artist/a1736da3-cd3c-4f49-b9cb-dff7364848a8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
BDA (BATALHA DA ALDEIA 6 ANOS INSTRUMENTALS) 2022
BDA BATALHA DA ALDEIA 6 ANOS INSTRUMENTAL 1
BDA BATALHA DA ALDEIA 6 ANOS INSTRUMENTAL 2
BDA BATALHA DA ALDEIA 6 ANOS INSTRUMENTAL 3
{"copyright_id":"0x95cb4506acb6896aba206e8571eb00f91bd1c4e26173210cd2ca1f550145f07e","isrc":"QZNWY2308471","name":"BDA 7 ANOS INSTRUMENTAL 1","registered_at":"2026-06-29T12:21:59Z","spotify_id":"07HI636BDZUHRWoq0oGaaz","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 0x95cb4506acb6896aba206e8571eb00f91bd1c4e26173210cd2ca1f550145f07e. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/07HI636BDZUHRWoq0oGaaz.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/07HI636BDZUHRWoq0oGaaz.