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 0x4c17e6b6351f43e947ae0f828d2a8274e6d5a93ccdd745ff9ce7ae60284101f9. Chain 2 (Bitcoin): anchored in block 953596 (2026-06-14T06:21:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0aca3a37-4641-4ace-a1b9-4e6ee530d6fe.json and https://artists.proofprofile.net/proofs/artist/0aca3a37-4641-4ace-a1b9-4e6ee530d6fe.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Schwanengesang, D. 957: I. Liebesbotschaft - Live
Litanei auf das Fest Allerseelen, D. 343 - Live
Liederkreis, Op. 39: I. In der Fremde - Live
Liederkreis, Op. 39: II. Intermezzo - Live
Liederkreis, Op. 39: III. Waldesgespräch - Live
Liederkreis, Op. 39: IV. Die Stille - Live
Liederkreis, Op. 39: V. Mondnacht - Live
Liederkreis, Op. 39: VI. Schöne Fremde - Live
Liederkreis, Op. 39: VII. Auf einer Burg - Live
Liederkreis, Op. 39: VIII. In der Fremde - Live
Liederkreis, Op. 39: X. Zwielicht - Live
Liederkreis, Op. 39: XI. Im Walde - Live
Liederkreis, Op. 39: XII. Frühlingsnacht - Live
Chansons de Don Quichotte: I. Chanson du départ de Don Quichotte - Live
Chansons de Don Quichotte: II. Chanson à Dulcinée - Live
Chansons de Don Quichotte: III. Chanson du Duc - Live
Chansons de Don Quichotte: IV. Chanson de la mort de Don Quichotte - Live
3 Shakespeare Songs, Op. 6: I. Come Away Death - Live
3 Shakespeare Songs, Op. 6: II. O Mistress Mine - Live
3 Shakespeare Songs, Op. 6: III. Blow, Blow, Thy Winter Wind - Live