ISRC FRZ140306050
Verified recording
FRZ140306050 is “Concerto pour Violoncelle et Orchestre en Ré Majeur, Hob.VIIb:2: II. Un poco adagio” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x78aa907e756bef3b72ca056735652fd960dfd2a6cc6493ab25c882a6c89d7720 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140306050.
Recording identifiers
- ISRC
- FRZ140306050
- Title
- Concerto pour Violoncelle et Orchestre en Ré Majeur, Hob.VIIb:2: II. Un poco adagio
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x78aa907e756bef3b72ca056735652fd960dfd2a6cc6493ab25c882a6c89d7720
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:984c4b70a745049363c56991ad1e006c8f1269c626c8bce7478ebf9851e54fda- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140306050
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Concerto pour Violoncelle et Orchestre en Ré Majeur, Hob.VIIb:2: II. Un poco adagio · Machine-readable JSON-LD