ISRC FRZ130400564
Verified recording
FRZ130400564 is “String Quartet No. 1 in F Major, Op. 18, No. 1: IV. Allegro” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x4f09548690e6fb7af1e9119034f41589f7542dcd14989406ecfbb7782f4b145a and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130400564.
Recording identifiers
- ISRC
- FRZ130400564
- Title
- String Quartet No. 1 in F Major, Op. 18, No. 1: IV. Allegro
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x4f09548690e6fb7af1e9119034f41589f7542dcd14989406ecfbb7782f4b145a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:6b2cc8c04172a800b4c8db73d780443e1682dc1f5e7ddd8bbd8b6a3120a17890- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130400564
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: String Quartet No. 1 in F Major, Op. 18, No. 1: IV. Allegro · Machine-readable JSON-LD