ISRC QZFZ22104989
Verified recording
QZFZ22104989 is “Calma.” by Sophiv,
registered on the CopyrightChains blockchain with CopyrightID
0x4011c918bc539eb7241b706a0f419e914e41b671f939147893f11fbc75dcff68 and independently timestamped
in Bitcoin block 960506 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ22104989.
Recording identifiers
- ISRC
- QZFZ22104989
- Title
- Calma.
- Artist
- Sophiv
- CopyrightID (CopyrightChains transaction hash)
0x4011c918bc539eb7241b706a0f419e914e41b671f939147893f11fbc75dcff68
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T03:50:58+00:00
- Bitcoin block
- 960506
- Canonical record hash
sha256:1ccf342dde713f4afb08f6e892c2181ef0b0ce81fb4be6ecfea701748d39b3c9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ22104989
- Bitcoin block existence check
- https://blockstream.info/api/block/960506