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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5423277c86b5419eeec561d6357ace09847742aa43f98959ca8b7bb736e68323. 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/4056132a-7041-4a02-8053-20705aa4c7ed.json and https://artists.proofprofile.net/proofs/artist/4056132a-7041-4a02-8053-20705aa4c7ed.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
SuperCar overdrive Hypersonic Brutal Exhaust
Driving Through Deep Snow - Relaxation and ASMR
Formula One Williams Racing Team Fan Songs
Super Car Sounds Brutal Car Sounds Pop and Crackle
Super Car Sounds Bugatti EB110, 600HP Lancer, Aventador SV, Ferrari F8, 992 GT3,
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe91d11a2e63828ee5099af731dbcf98237771aa25d13999a2e0cac5ff1caf38. 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/QZYFZ2473291.
Ferrari Formula 1 V10 Vicious Exhaust Acceleration
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc3878d7c554bb604d6a70eb270e7541b03ecf4d2bbb80b64ab91a0d0cd12ae1. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/QZWDW2470120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf387244d64703710911046dce18fb90b508880b7ef318384c76658fd55a1ea68. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZWDW2470123.
American Muscle Car Power Car Exhaust Sounds
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5eb5ba016fe2eca32843e4bb7d44412954b83bc9ecc78b7d68b32922c7bd7706. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/QZP7F2459439.