ISRC GBF077642725
Verified recording
GBF077642725 is “Piano Sonata in C major, H.XVI:3: 1. Allegretto” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x3a54a4f73c8d96132d15f94c904e9f468f7f3e6e11a43b2c028fd464714a3ff7 and independently timestamped
in Bitcoin block 960381 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077642725.
Recording identifiers
- ISRC
- GBF077642725
- Title
- Piano Sonata in C major, H.XVI:3: 1. Allegretto
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x3a54a4f73c8d96132d15f94c904e9f468f7f3e6e11a43b2c028fd464714a3ff7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T09:50:11+00:00
- Bitcoin block
- 960381
- Canonical record hash
sha256:eba4aab1c0ae4f0a68998143dd1d8e261c439a2621dece9cf1cbbc789f013c91- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077642725
- Bitcoin block existence check
- https://blockstream.info/api/block/960381
Full record
Track page: Piano Sonata in C major, H.XVI:3: 1. Allegretto · Machine-readable JSON-LD