ISRC FR7JM1904080
Verified recording
FR7JM1904080 is “String Quartet No. 14 in C-Sharp Minor, Op. 131: IV. Andante ma non troppo e molto cantabile” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xcf4add8c67b2f0cdea04b0c3c315c2627cc21156a7719f5322c9cc4c8bec2915 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/FR7JM1904080.
Recording identifiers
- ISRC
- FR7JM1904080
- Title
- String Quartet No. 14 in C-Sharp Minor, Op. 131: IV. Andante ma non troppo e molto cantabile
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xcf4add8c67b2f0cdea04b0c3c315c2627cc21156a7719f5322c9cc4c8bec2915
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:d630af3ef5b399f607faca5d6dd6a3ddb12c04e1f3ddd30b405affb9078b9a71- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1904080
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: String Quartet No. 14 in C-Sharp Minor, Op. 131: IV. Andante ma non troppo e molto cantabile · Machine-readable JSON-LD