ISRC GBKQU1987293
Verified recording
GBKQU1987293 is “Martyr” by Calvaire,
registered on the CopyrightChains blockchain with CopyrightID
0x0ea2d8eeafea739f7081565b0fcaac31a9c8816d056c922b780f8a4a8a179ebc and independently timestamped
in Bitcoin block 960121 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBKQU1987293.
Recording identifiers
- ISRC
- GBKQU1987293
- Title
- Martyr
- Artist
- Calvaire
- CopyrightID (CopyrightChains transaction hash)
0x0ea2d8eeafea739f7081565b0fcaac31a9c8816d056c922b780f8a4a8a179ebc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T15:22:21+00:00
- Bitcoin block
- 960121
- Canonical record hash
sha256:42cef8bc5e22ca89bc0f010ebb7ee33507ee1220114ceeabe0197c5831acc75e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBKQU1987293
- Bitcoin block existence check
- https://blockstream.info/api/block/960121