Franz Liszt (22 October 1811 – 31 July 1886) was a Hungarian composer, virtuoso pianist, conductor and teacher of the Romantic period. With a diverse body of work spanning more than six decades, he is
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b9308397f7663178670410d000b1d685a42aac7478e227379536986093032ab. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8949dce2-5658-4622-bb50-113352994fb6.json and https://artists.proofprofile.net/proofs/artist/8949dce2-5658-4622-bb50-113352994fb6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Liszt: Libestraume S.541: No.3 In A Flat Major
Liszt: A Spirited Journey through Hungarian Folklore and Romanticism
Liszt: The Collection of Piano Concertos No.1 and 2