1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0x27f5a146da8d7ecde50b7a878381139def6f8760896f505fa809e69ad75ad746. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8451ef87-651a-4d4d-a0e7-dc99dc6c130c.json and https://artists.proofprofile.net/proofs/artist/8451ef87-651a-4d4d-a0e7-dc99dc6c130c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Jack o Estripador (Shuumatsu no Valkyrie) • Parte por parte | Bala
Billy Bruto (The Boys) • Sanguinário | Bala
Frieren (Souso No Frieren) • Beleza no tempo | Bala & ReddInTheMic
Jaser (Enigma do medo) • Outro Final | Bala
Link • Acordes | Bala, RodrigoZin‬ & ‪nikmouu‬ [Link (Zelda: Ocarina of Time) • Acordes | Bala Ft. ‪RodrigoZin‬ & ‪nikmouu‬]
Link • Acordes | Bala, RodrigoZin‬ & ‪nikmouu‬ - Link (Zelda: Ocarina of Time) • Acordes | Bala Ft. ‪RodrigoZin‬ & ‪nikmouu‬
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x146800a0ea3ded3f35fdecd798771bb84253ed083984c35aef32d0f6c4f0abb7. Chain 2 (Bitcoin): anchored in block 958473 (2026-07-18T00:52:36Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZYHM2505777.
Andrew & Ashley (The Coffin of Andy and Leyley) • Desejos | Bala & ‪Eveline Teach‬
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd726725c32f97a59f480bc529c5e777479c23a182f9b1af36bb1dc756f57e75c. Chain 2 (Bitcoin): anchored in block 957785 (2026-07-13T01:55:31Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZYHM2508219.
Rudo (Gachiakuta) • Valor do lixo | Bala