ISRC QZTRX2428758
Verified recording
QZTRX2428758 is “Calma” by Os Gemeos da Putaria,
registered on the CopyrightChains blockchain with CopyrightID
0x1a8ccd3648dd0ac0008490e5c86b108520906dd712fa2e2f268996152a0b231c and independently timestamped
in Bitcoin block 956894 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTRX2428758.
Recording identifiers
- ISRC
- QZTRX2428758
- Title
- Calma
- Artist
- Os Gemeos da Putaria
- CopyrightID (CopyrightChains transaction hash)
0x1a8ccd3648dd0ac0008490e5c86b108520906dd712fa2e2f268996152a0b231c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T07:53:57+00:00
- Bitcoin block
- 956894
- Canonical record hash
sha256:42c23c9751b76aecee3d0db86440c6b719f3d686cd2af5b854be6aa21b18d2b9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTRX2428758
- Bitcoin block existence check
- https://blockstream.info/api/block/956894