ISRC FRZ131711020
Verified recording
FRZ131711020 is “String Quartet No. 12 in E-Flat Major, Op. 127: II. Adagio, ma non troppo e molto cantabile - Andante con moto” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xa13149a8bc421b21b416ac15c1d12cb13d18650d70e305c1e4e1d51fd8ef78f7 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/FRZ131711020.
Recording identifiers
- ISRC
- FRZ131711020
- Title
- String Quartet No. 12 in E-Flat Major, Op. 127: II. Adagio, ma non troppo e molto cantabile - Andante con moto
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xa13149a8bc421b21b416ac15c1d12cb13d18650d70e305c1e4e1d51fd8ef78f7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:9a9b8eea23f66b8579caf2308a44bc22002e29a21c7fca21d8c04705b31cca4f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131711020
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: String Quartet No. 12 in E-Flat Major, Op. 127: II. Adagio, ma non troppo e molto cantabile - Andante con moto · Machine-readable JSON-LD