ISRC DEF056500142
Verified recording
DEF056500142 is “Piano Sonata No. 8 in C Minor, Op. 13 "Pathétique": I. Grave – Allegro di molto e con brio” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xefda8c5fe0312cf0d0673371a9d0184a26c2d65c3be62bdb14c78040e96c3fb2 and independently timestamped
in Bitcoin block 959134 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500142.
Recording identifiers
- ISRC
- DEF056500142
- Title
- Piano Sonata No. 8 in C Minor, Op. 13 "Pathétique": I. Grave – Allegro di molto e con brio
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xefda8c5fe0312cf0d0673371a9d0184a26c2d65c3be62bdb14c78040e96c3fb2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T13:34:27+00:00
- Bitcoin block
- 959134
- Canonical record hash
sha256:7817e81dcc2b3243a42d66a6663d91902190df3a321c916217cd569353427cf1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500142
- Bitcoin block existence check
- https://blockstream.info/api/block/959134
Full record
Track page: Piano Sonata No. 8 in C Minor, Op. 13 "Pathétique": I. Grave – Allegro di molto e con brio · Machine-readable JSON-LD