ISRC FR7JM1758090
Verified recording
FR7JM1758090 is “String Quartet No. 4 in C Minor, Op. 18, No. 4: I. Allegro” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x8db37ef1e2f4705427fafd10e2a3c0a3fe417e40ba7d76af9b466ac27d1f294c and independently timestamped
in Bitcoin block 960489 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1758090.
Recording identifiers
- ISRC
- FR7JM1758090
- Title
- String Quartet No. 4 in C Minor, Op. 18, No. 4: I. Allegro
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x8db37ef1e2f4705427fafd10e2a3c0a3fe417e40ba7d76af9b466ac27d1f294c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T00:40:43+00:00
- Bitcoin block
- 960489
- Canonical record hash
sha256:c32fc738b96146f0b672227cc8f35b26ca94c9cca7a6a962e93c5108ac04d386- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1758090
- Bitcoin block existence check
- https://blockstream.info/api/block/960489
Full record
Track page: String Quartet No. 4 in C Minor, Op. 18, No. 4: I. Allegro · Machine-readable JSON-LD