ISRC GBAYC9302012

Verified recording

GBAYC9302012 is “String Quartet No. 1 'after Tolstoy's 'The Kreutzer Sonata' ': I. Adagio - Con moto” by Leoš Janáček, registered on the CopyrightChains blockchain with CopyrightID 0xe19f4961bd038702f1f3b5cc6de40c6b09bd33c12b906aa0afd9f9c8193416d9 and independently timestamped in Bitcoin block 960138 on 2026-07-29. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9302012.

Recording identifiers

ISRC
GBAYC9302012
Title
String Quartet No. 1 'after Tolstoy's 'The Kreutzer Sonata' ': I. Adagio - Con moto
Artist
Leoš Janáček
CopyrightID (CopyrightChains transaction hash)
0xe19f4961bd038702f1f3b5cc6de40c6b09bd33c12b906aa0afd9f9c8193416d9

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34+00:00
Bitcoin block
960138
Canonical record hash
sha256:9ac07ec0877aa85ef046ffb07e4087e15c18c2e81301945702ee1beb17a77194
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9302012
Bitcoin block existence check
https://blockstream.info/api/block/960138

Full record

Track page: String Quartet No. 1 'after Tolstoy's 'The Kreutzer Sonata' ': I. Adagio - Con moto · Machine-readable JSON-LD