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 0x3d8b4a5a7aa444015177923a25982ca92129c6cbc1eeec50f5bd92b114333f4a. 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/45a2f772-2897-4b37-a068-042ecdef77fa.json and https://artists.proofprofile.net/proofs/artist/45a2f772-2897-4b37-a068-042ecdef77fa.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Beethoven: Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2, "Mondscheinsonate": I. Adagio Sostenuto
Satie: 3 Gymnopédies: No. 1, Lent et douloureux
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b546f94c6f5410a1b8faf8481faca878530835d4353e2d0e7d657a3734798d4. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4IoPTSdyAqAXNiGLiUr4v3.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4IoPTSdyAqAXNiGLiUr4v3.
Classical Piano Essentials (Chopin, Schumann, Mozart, Satie, Bach, Beethoven)
Chopin: Prélude Op. 28: No. 7 in A Major
Schumann: Kinderszenen, Op. 15: No. 7. Träumerei
Mozart: Andantino in E-Flat Major, K236/588b
Bach: Air on the G String, Suite No. 3, BWV 1068
Een Nieuw Begin (Frans) [Jouw Verhaal, Mijn Muziek]
Een Nieuw Begin (Frans) - Jouw Verhaal, Mijn Muziek
Vriendschap (Cornel) [Jouw Verhaal, Mijn Muziek]
Vriendschap (Cornel) - Jouw Verhaal, Mijn Muziek
Ik Mag Mij Zijn (Ester) [Jouw Verhaal, Mijn Muziek]
Ik Mag Mij Zijn (Ester) - Jouw Verhaal, Mijn Muziek
Valentijn (Geeske) [Jouw Verhaal, Mijn Muziek]
Valentijn (Geeske) - Jouw Verhaal, Mijn Muziek
Haar Natuurlijke Ritme (Marie-Paule) [Jouw Verhaal, Mijn Muziek]
Haar Natuurlijke Ritme (Marie-Paule) - Jouw Verhaal, Mijn Muziek
Julie (Ellen) [Jouw Verhaal, Mijn Muziek]
Julie (Ellen) - Jouw Verhaal, Mijn Muziek
Mélodie (Oliver Cricket Electronic Rework)
Mélodie - Oliver Cricket Electronic Rework
Mélodie - Oliver Cricket Extended Rework
Andante Piano presents: Quietude (Volume One)
{"copyright_id":"0x19ecb021c505e7d49cefc123ca61a9824869b579e82a07fcfc5d6f824a390a3d","isrc":"NL4WT2400366","name":"What Child Is This","registered_at":"2026-06-24T10:06:12Z","spotify_id":"6GCGiXSAB2qHkvyQmsEU8h","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19ecb021c505e7d49cefc123ca61a9824869b579e82a07fcfc5d6f824a390a3d. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6GCGiXSAB2qHkvyQmsEU8h.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6GCGiXSAB2qHkvyQmsEU8h.