ISRC QZW9M2365977
Verified recording
QZW9M2365977 is “Kcal” by Clúster,
registered on the CopyrightChains blockchain with CopyrightID
0x21b1fc10961446bfd5b0414cf8c6f994c2caf368cf335d5a64eadbd3311c97a3 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/QZW9M2365977.
Recording identifiers
- ISRC
- QZW9M2365977
- Title
- Kcal
- Artist
- Clúster
- CopyrightID (CopyrightChains transaction hash)
0x21b1fc10961446bfd5b0414cf8c6f994c2caf368cf335d5a64eadbd3311c97a3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:22777c9f5037d942b79cf8b7557abb75e13f8a24f48b28c06151a312fd409dff- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZW9M2365977
- Bitcoin block existence check
- https://blockstream.info/api/block/957118