ISRC DEF058500954
Verified recording
DEF058500954 is “Sonata for Violin and Piano in A: 4. Allegretto poco mosso” by César Franck,
registered on the CopyrightChains blockchain with CopyrightID
0x73274722ed07125d5796690f7a88f8144f25f7cdd33256ecdea635b81bc3e13e and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058500954.
Recording identifiers
- ISRC
- DEF058500954
- Title
- Sonata for Violin and Piano in A: 4. Allegretto poco mosso
- Artist
- César Franck
- CopyrightID (CopyrightChains transaction hash)
0x73274722ed07125d5796690f7a88f8144f25f7cdd33256ecdea635b81bc3e13e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:d8ef8ec274df30846e1b46ab8b6a5ee65cfd144656e56e2a87a92072c8cefa60- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058500954
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Sonata for Violin and Piano in A: 4. Allegretto poco mosso · Machine-readable JSON-LD