ISRC DEF057702142
Verified recording
DEF057702142 is “Piano Sonata No. 32 in C Minor, Op. 111: II. Arietta - Adagio molto semplice e cantabile” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x7228103380027a64a7287f7cfa86af22def33370763d1a673f8a9b3041255d68 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057702142.
Recording identifiers
- ISRC
- DEF057702142
- Title
- Piano Sonata No. 32 in C Minor, Op. 111: II. Arietta - Adagio molto semplice e cantabile
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x7228103380027a64a7287f7cfa86af22def33370763d1a673f8a9b3041255d68
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:8d914ce00a946051a454769daacb20f9ef5cc3197705a08b05958f46f92aadc7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057702142
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Piano Sonata No. 32 in C Minor, Op. 111: II. Arietta - Adagio molto semplice e cantabile · Machine-readable JSON-LD