ISRC GBAJY2547403
Verified recording
GBAJY2547403 is “Duettina for Violin & Cello, Op. 67: III. Serenata” by Viktor Kalabis,
registered on the CopyrightChains blockchain with CopyrightID
0x2bede03d1d007f15bf43a5f67f37d3095118fee6b280bd342db5b346748b9576 and independently timestamped
in Bitcoin block 957124 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY2547403.
Recording identifiers
- ISRC
- GBAJY2547403
- Title
- Duettina for Violin & Cello, Op. 67: III. Serenata
- Artist
- Viktor Kalabis
- CopyrightID (CopyrightChains transaction hash)
0x2bede03d1d007f15bf43a5f67f37d3095118fee6b280bd342db5b346748b9576
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:53:27+00:00
- Bitcoin block
- 957124
- Canonical record hash
sha256:1fe76dd8ffb7160b11876ff7fa0b3a6b1841dbaa07844eecf97023a005c42478- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY2547403
- Bitcoin block existence check
- https://blockstream.info/api/block/957124
Full record
Track page: Duettina for Violin & Cello, Op. 67: III. Serenata · Machine-readable JSON-LD