ISRC GBAJY2547404

Verified recording

GBAJY2547404 is “Duettina for Violin & Cello, Op. 67: IV. Finale” by Viktor Kalabis, registered on the CopyrightChains blockchain with CopyrightID 0x760cef3669b58d1ecfe861bd4a62799866a91627a85673e9bbd8d89f002b6fe3 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/GBAJY2547404.

Recording identifiers

ISRC
GBAJY2547404
Title
Duettina for Violin & Cello, Op. 67: IV. Finale
Artist
Viktor Kalabis
CopyrightID (CopyrightChains transaction hash)
0x760cef3669b58d1ecfe861bd4a62799866a91627a85673e9bbd8d89f002b6fe3

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19+00:00
Bitcoin block
957118
Canonical record hash
sha256:da0129072ae082a0082a44f33adf69f7f6b0653e4dbc3c25800f00ce193012a6
Verification API (seven-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY2547404
Bitcoin block existence check
https://blockstream.info/api/block/957118

Full record

Track page: Duettina for Violin & Cello, Op. 67: IV. Finale · Machine-readable JSON-LD