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 0x117e40c5d59344e84a247194ebad8c0f2793319c3a6b50abf23798f1554fbf3d. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f73fa684-02da-481e-8d92-8d3cedabc4d6.json and https://artists.proofprofile.net/proofs/artist/f73fa684-02da-481e-8d92-8d3cedabc4d6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Suite from The Ogre (ii) Meeting the Moose
Suite from The Ogre (iii) Into the Woods
Suite from the Film "The Ogre" - I. Abel's Fate
Suite from the Film "The Ogre" - II. Meeting the Moose
Suite from the Film "The Ogre" - III. Into the Woods
Suite from the Film "The Ogre" - IV. Masuria
Suite from the film "The Ogre" - I. Abel's Fate
Suite from the film "The Ogre" - II. Meeting the Moose
Suite from the film "The Ogre" - III. Into the Woods
Suite from the film "The Ogre" - IV. Masuria
Let Me Know - Joey Negro's Destination Boogie Club Mix
Let Me Know - Joey Negro's Original Vibe Mix
The Music of Upstairs and Downstairs: Upstairs Downstairs Theme
The Music of Upstairs and Downstairs: My Perfect Sister
The Music of Upstairs and Downstairs: 165 Eaton Place
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 → block OTSBitcoinBlock must exist at that height 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 0x1a1e457cd41ed3faad0d35d4d9321127b2e6fbca3d5015133cdef45d8d8ea3f7. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/GBUXE1201803.
The Music of Upstairs and Downstairs: Lady Persephone (Percie)
The Music of Upstairs and Downstairs: The Chauffeur and the Parlour Maid (Bery and Spargo)
The Music of Upstairs and Downstairs: A Prelude to a Flight
The Music of Upstairs and Downstairs: Fish and Chips
The Music of Upstairs and Downstairs: The Butler and the Cook (Mr. P. and Mrs. T.)
The Music of Upstairs and Downstairs: Romancing the Butler
The Music of Upstairs and Downstairs: Masters and Servants Ball
The Music of Upstairs and Downstairs: Hung-over
The Music of Upstairs and Downstairs: Lady Agnes
The Music of Upstairs and Downstairs: Nylon Stockings
The Music of Upstairs and Downstairs: An American in London
The Music of Upstairs and Downstairs: We Rumba'd 'till Dawn
The Music of Upstairs and Downstairs: Butterlips