ISRC DEF059404303

Verified recording

DEF059404303 is “String Quartet in B Flat Major, Op. 130: III. Andante con moto ma non troppo. Poco scherzando” by Ludwig van Beethoven, registered on the CopyrightChains blockchain with CopyrightID 0x600b4008337a334d79cff22362a58c5991e39666f1ade0ea007314e9f8dbc618 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/DEF059404303.

Recording identifiers

ISRC
DEF059404303
Title
String Quartet in B Flat Major, Op. 130: III. Andante con moto ma non troppo. Poco scherzando
Artist
Ludwig van Beethoven
CopyrightID (CopyrightChains transaction hash)
0x600b4008337a334d79cff22362a58c5991e39666f1ade0ea007314e9f8dbc618

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T17:29:52+00:00
Bitcoin block
960441
Canonical record hash
sha256:7210f164086ff26e76cee28287101bb43aa958e4a18e264a744da06afebbeb83
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059404303
Bitcoin block existence check
https://blockstream.info/api/block/960441

Full record

Track page: String Quartet in B Flat Major, Op. 130: III. Andante con moto ma non troppo. Poco scherzando · Machine-readable JSON-LD