ISRC DEF058802612
Verified recording
DEF058802612 is “Piano Sonata No. 25 in G Major, Op. 79 "Cuckoo": II. Andante” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xcec274453028f2bf53b0bc3ce427d131c0cbb769304d8eee7f589270af261f8a and independently timestamped
in Bitcoin block 960368 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058802612.
Recording identifiers
- ISRC
- DEF058802612
- Title
- Piano Sonata No. 25 in G Major, Op. 79 "Cuckoo": II. Andante
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xcec274453028f2bf53b0bc3ce427d131c0cbb769304d8eee7f589270af261f8a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:26:41+00:00
- Bitcoin block
- 960368
- Canonical record hash
sha256:1476fa62e8446f36af85de226a8e155a661966cd06eac6caab838151e8f1c15b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058802612
- Bitcoin block existence check
- https://blockstream.info/api/block/960368
Full record
Track page: Piano Sonata No. 25 in G Major, Op. 79 "Cuckoo": II. Andante · Machine-readable JSON-LD