ISRC FRX201644625
Verified recording
FRX201644625 is “2 String Quartets, Op. 77 "Lobkowitz", No. 1 in G Major, Hob. III:81: II. Adagio” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x7afa803c7d3f973304786ad5cfe855cdd95533b172169fb5f2c14b5a63b8e4f2 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX201644625.
Recording identifiers
- ISRC
- FRX201644625
- Title
- 2 String Quartets, Op. 77 "Lobkowitz", No. 1 in G Major, Hob. III:81: II. Adagio
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x7afa803c7d3f973304786ad5cfe855cdd95533b172169fb5f2c14b5a63b8e4f2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:0bc6d9180193300589a0ce45a05bfac51816103b3d576362a955f8cb7bc3040b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX201644625
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: 2 String Quartets, Op. 77 "Lobkowitz", No. 1 in G Major, Hob. III:81: II. Adagio · Machine-readable JSON-LD