ISRC FRZ128801580
Verified recording
FRZ128801580 is “Piano Sonata No. 8 in C Minor, Op. 13 "Pathétique": 2. Adagio cantabile” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x8c4db15ff6cc8f4b0edcbc07b7f1631b17bc1abc41fd18df4b6411c95003c708 and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ128801580.
Recording identifiers
- ISRC
- FRZ128801580
- Title
- Piano Sonata No. 8 in C Minor, Op. 13 "Pathétique": 2. Adagio cantabile
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x8c4db15ff6cc8f4b0edcbc07b7f1631b17bc1abc41fd18df4b6411c95003c708
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:df1094ce25b39568eaa3657fcfa1a82daa120fdd5a8b932ab4ffe3e57590ca0c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ128801580
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: Piano Sonata No. 8 in C Minor, Op. 13 "Pathétique": 2. Adagio cantabile · Machine-readable JSON-LD