ISRC DEF057702141
Verified recording
DEF057702141 is “Piano Sonata No. 32 in C Minor, Op. 111: I. Maestoso - Allegro con brio ed appassionato” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xc82d75d602d54f8fa86cb76ba11f6ad15230adc8cebe358ed29ccd0dc8900296 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/DEF057702141.
Recording identifiers
- ISRC
- DEF057702141
- Title
- Piano Sonata No. 32 in C Minor, Op. 111: I. Maestoso - Allegro con brio ed appassionato
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xc82d75d602d54f8fa86cb76ba11f6ad15230adc8cebe358ed29ccd0dc8900296
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:fd122b1debf73be49c536049fd98f22734e3d69d5c5aa4ad402939aeca8b0385- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057702141
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Piano Sonata No. 32 in C Minor, Op. 111: I. Maestoso - Allegro con brio ed appassionato · Machine-readable JSON-LD