ISRC DEF056500141
Verified recording
DEF056500141 is “Piano Sonata No. 8 in C Minor, Op. 13 "Pathétique": II. Adagio cantabile” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x2d244f0d4b3846fa771645c168e5abed40bb95c675e814f878aee1cf240731c7 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500141.
Recording identifiers
- ISRC
- DEF056500141
- Title
- Piano Sonata No. 8 in C Minor, Op. 13 "Pathétique": II. Adagio cantabile
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x2d244f0d4b3846fa771645c168e5abed40bb95c675e814f878aee1cf240731c7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:07e6653c31cae9fd745a2e4c1bf785cef334e9ccaf3a71df17755e105b0cc358- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500141
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Piano Sonata No. 8 in C Minor, Op. 13 "Pathétique": II. Adagio cantabile · Machine-readable JSON-LD