ISRC FR7JM1904020
Verified recording
FR7JM1904020 is “String Quartet No. 11 in F Minor, Op. 95 "Serioso": II. Allegretto ma non troppo” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x31fc797397d3016d14eaf4e333c81b7f54345a8157c066944646e0cfbf41647d and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1904020.
Recording identifiers
- ISRC
- FR7JM1904020
- Title
- String Quartet No. 11 in F Minor, Op. 95 "Serioso": II. Allegretto ma non troppo
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x31fc797397d3016d14eaf4e333c81b7f54345a8157c066944646e0cfbf41647d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:b25797d5686cf2911db023ed8de0a38b3c0c781c85f102df268e68bc83ed4cc3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1904020
- Bitcoin block existence check
- https://blockstream.info/api/block/960441
Full record
Track page: String Quartet No. 11 in F Minor, Op. 95 "Serioso": II. Allegretto ma non troppo · Machine-readable JSON-LD