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 0x50603c95e5a0fecb6599299e569976fc37b2d11c02b0b6fa765f18be972f65ce. Chain 2 (Bitcoin): anchored in block 953915 (2026-06-16T08:36:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/19f0e816-bdb7-4379-8740-4b17e0a2af6d.json and https://artists.proofprofile.net/proofs/artist/19f0e816-bdb7-4379-8740-4b17e0a2af6d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Musique Romantique - Musique Pour Soirée
Week end romantique - Musique romantique pour amoureux
50 Musique Romantique Collection: Cinquante Musique de Fond pour Soirées Romantiques, Musique Douce, Musique Religieuse et Chant Grégorien, Shades Musique d'Ambience
Je t'aime mon chéri ! Joyeuse Saint Valentin, Vol. 1
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 0x8e0afa39d9c10f4427fc2b6658312845e66394ca4ef2fb1d2701f156933a12b9. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/FRY510881981.
Les Amoureux - Paris romantique, musique d'amour au bord de la Seine
Chasons d'amour – Le piano pour l'amour romantique et l'intimité
Musique de Jazz Moderne - Chansons pour hôtels de luxe, restaurants romantiques élégants
Soirée Romantique - Soirée en amoureux hors du commun, chansons romantiques
Chanson d'Automne: Piano, musique de fond pour soirées romantiques, musique douce piano, poetry shades de musique d'ambience
Piano magique: Chansons romantique pour faire l'amour
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d4f87025cb6b52be0f44ec63112764773a84e68aa6775a114d5241fa42356a1. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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/DETL61412017.