ISRC GBF076610150
Verified recording
GBF076610150 is “String Quartet in F Major, Op. 3, No. 5 (formerly attrib. J. Haydn): Andante cantabile” by Roman Hoffstetter,
registered on the CopyrightChains blockchain with CopyrightID
0xc0f6b3d8ddbdf3bee9143dd146ac0618fb43fcca937857063576d100054e607f and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076610150.
Recording identifiers
- ISRC
- GBF076610150
- Title
- String Quartet in F Major, Op. 3, No. 5 (formerly attrib. J. Haydn): Andante cantabile
- Artist
- Roman Hoffstetter
- CopyrightID (CopyrightChains transaction hash)
0xc0f6b3d8ddbdf3bee9143dd146ac0618fb43fcca937857063576d100054e607f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:b97826b3a0b49e6a5377d3ba07d098ce8e323bf9369ea12b87bb9130e3bf9f63- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076610150
- Bitcoin block existence check
- https://blockstream.info/api/block/956889
Full record
Track page: String Quartet in F Major, Op. 3, No. 5 (formerly attrib. J. Haydn): Andante cantabile · Machine-readable JSON-LD