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 0x65a3c8ac18e2779e3663dbecc3d23bc63d0f99a8a5a8496dba0d20673ede8c56. 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/0c841c32-432c-4357-984d-85a40af3e7c8.json and https://artists.proofprofile.net/proofs/artist/0c841c32-432c-4357-984d-85a40af3e7c8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
UNDERTALE: Hot Dog, French Fries (Versão Brasileira)
Zatch Bell! Mamodo Fury (River Bed) [Reconstrução]
Doki Doki Literature Club - Nossa União (Remasterizado)
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 0x3b426585f76afbd9e816c48569e3dca952980356fbf6bd636c00ce6de5e3b0f7. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QZRP42193057.
Doki Doki Literature Club - Nossa União (Instrumental)
Insane (Música de Hazbin Hotel) [Versão Brasileira]
League Of Legends: Everything Goes On (Versão Brasileira)
Phantom (Música de Hazbin Hotel) [Versão Brasileira]
DAISIES (Música de Hazbin Hotel) [Versão Brasileira]
DAISIES (Música de Hazbin Hotel) - Versão Brasileira
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd32c2f8b2bf0957565d9f32babd0725e9aaea10c6bc424760797e89fb8113b56. Chain 2 (Bitcoin): anchored in block 958554 (2026-07-18T13:17:01Z), 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/QZFZ32509223.
UNDERTALE SANS (STRONGER THAN YOU) [Versão Brasileira]
UNDERTALE SANS (STRONGER THAN YOU) - Versão Brasileira
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3ad393ff3678dfb612406272b53cdfe5d078303d3226052d45a45dfc0edc8d3. Chain 2 (Bitcoin): anchored in block 958342 (2026-07-17T03:26:55Z), 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/QZDA72524530.