ISRC FR50X1868409
Verified recording
FR50X1868409 is “Symphony No. 45 in F-Sharp Minor, Hob.I:45 'Farewell': V. Adagio” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x8a21fc9d56a5ee5ad0ca5c86b8f19e78264cd932c693f8484aafa7a714c43be9 and independently timestamped
in Bitcoin block 960344 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1868409.
Recording identifiers
- ISRC
- FR50X1868409
- Title
- Symphony No. 45 in F-Sharp Minor, Hob.I:45 'Farewell': V. Adagio
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x8a21fc9d56a5ee5ad0ca5c86b8f19e78264cd932c693f8484aafa7a714c43be9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T04:14:58+00:00
- Bitcoin block
- 960344
- Canonical record hash
sha256:cceaee5816f23a10c67543f18ec47457242b4a7275b5921d6937f3dc47bc4e98- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1868409
- Bitcoin block existence check
- https://blockstream.info/api/block/960344
Full record
Track page: Symphony No. 45 in F-Sharp Minor, Hob.I:45 'Farewell': V. Adagio · Machine-readable JSON-LD