ISRC NOFZS2377080
Verified recording
NOFZS2377080 is “Sonata for Cello and Piano in A Major: IV. Allegretto poco mosso” by César Franck,
registered on the CopyrightChains blockchain with CopyrightID
0x5ff7faa948451b7d6f8a8a181bee10583eba10c468207163abcf57bf88813c79 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOFZS2377080.
Recording identifiers
- ISRC
- NOFZS2377080
- Title
- Sonata for Cello and Piano in A Major: IV. Allegretto poco mosso
- Artist
- César Franck
- CopyrightID (CopyrightChains transaction hash)
0x5ff7faa948451b7d6f8a8a181bee10583eba10c468207163abcf57bf88813c79
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:253608bfd19300de36c442cf6e0e8073a90e365c73b5baac0527a2b58ebeccb3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOFZS2377080
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Sonata for Cello and Piano in A Major: IV. Allegretto poco mosso · Machine-readable JSON-LD