ISRC GBAJY2547406
Verified recording
GBAJY2547406 is “Chamber Music for Strings, Op. 21: II. Allegro vivo” by Viktor Kalabis,
registered on the CopyrightChains blockchain with CopyrightID
0x5c3806170e7a4efc3b66262d042ec9b9adc15123a51d2b5f15f075f9f7b6364f and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY2547406.
Recording identifiers
- ISRC
- GBAJY2547406
- Title
- Chamber Music for Strings, Op. 21: II. Allegro vivo
- Artist
- Viktor Kalabis
- CopyrightID (CopyrightChains transaction hash)
0x5c3806170e7a4efc3b66262d042ec9b9adc15123a51d2b5f15f075f9f7b6364f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:70dd578af23b2da0d5b3ea47e451f1c2673895006c2910f835dc687b7a437db3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY2547406
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Chamber Music for Strings, Op. 21: II. Allegro vivo · Machine-readable JSON-LD