ISRC FRZ299204020
Verified recording
FRZ299204020 is “Concerto en ré majeur, Hob. 1811: Poco adagio” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0xb90518e341c1e3b487e80270300303be95dac6384a2585be78e1437435e81b82 and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ299204020.
Recording identifiers
- ISRC
- FRZ299204020
- Title
- Concerto en ré majeur, Hob. 1811: Poco adagio
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0xb90518e341c1e3b487e80270300303be95dac6384a2585be78e1437435e81b82
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:3110a88544aa11afe9988cb276572923c4e8609f1c68cdf595e0a7fb8f6e6e77- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ299204020
- Bitcoin block existence check
- https://blockstream.info/api/block/960448
Full record
Track page: Concerto en ré majeur, Hob. 1811: Poco adagio · Machine-readable JSON-LD