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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d28998d178ccae44a04807bdd24b214fb2ea63d8ff2918a366e8adfd82411f2. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7c3bf5a7-22fe-499a-9264-c51d38cc1f72.json and https://artists.proofprofile.net/proofs/artist/7c3bf5a7-22fe-499a-9264-c51d38cc1f72.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Gerhard Faulstich singt Lieder von Beethoven, Schubert, Brahms, Schumann
Johannes Brahms: Feinsliebchen, du sollst
Jesu, meine Freude: Greatest Choral Masterpieces
Requiem in D Minor, K. 626: VII. Lacrimosa
A Beginner's Guide to Learn to Love Classical Music
Requiem in D Minor, K. 626: V. Recordare
The History of Sacred Music (100 Famous Songs)
Requiem in D Minor, K. 626: II. Dies Irae
Requiem in D Minor, K. 626: VI. Confutatis
Requiem in D Minor, K. 626: Introit: Requiem aeternam
Requiem in D Minor, K. 626: Sequence No. 1: Dies Irae
Requiem in D Minor, K. 626: Sequence No. 2: Tuba miram
Requiem in D Minor, K. 626: Sequence No. 3: Rex tremendae majestatis
Requiem in D Minor, K. 626: Sequence No. 4: Recordare, Jesu pie
Requiem in D Minor, K. 626: Sequence No. 5: Confutatis maledictis
Requiem in D Minor, K. 626: Sequence No. 6: Lacrimosa dies illa
Requiem in D Minor, K. 626: Offertory No. 1: Domine Jesu Christe
Requiem in D Minor, K. 626: Offertory No. 2: Hostias et preces