ISRC GBAJY2547401
Verified recording
GBAJY2547401 is “Duettina for Violin & Cello, Op. 67: I. Introduzione” by Viktor Kalabis,
registered on the CopyrightChains blockchain with CopyrightID
0x6cb0fc154f270441c0555a8f78cb2284cd3dab319ea2fcb4d6b9c5ce91746b26 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY2547401.
Recording identifiers
- ISRC
- GBAJY2547401
- Title
- Duettina for Violin & Cello, Op. 67: I. Introduzione
- Artist
- Viktor Kalabis
- CopyrightID (CopyrightChains transaction hash)
0x6cb0fc154f270441c0555a8f78cb2284cd3dab319ea2fcb4d6b9c5ce91746b26
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:a11d3200d40828967534b0421e89cc35a141491fa707d3356e4beee1169e9de1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY2547401
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Duettina for Violin & Cello, Op. 67: I. Introduzione · Machine-readable JSON-LD