ISRC QZHZ52087075
Verified recording
QZHZ52087075 is “Um Festival em Perfídia” by A Última Theoria,
registered on the CopyrightChains blockchain with CopyrightID
0x13c18bf309744b019f0ea7dccc01341e0ae6d7c44af612dd704741b00c01f532 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHZ52087075.
Recording identifiers
- ISRC
- QZHZ52087075
- Title
- Um Festival em Perfídia
- Artist
- A Última Theoria
- CopyrightID (CopyrightChains transaction hash)
0x13c18bf309744b019f0ea7dccc01341e0ae6d7c44af612dd704741b00c01f532
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:1101bafe5dfc2a0fac78c1a7d0cc7ffbf4c00d9cca5b787aa8d62510149ed967- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHZ52087075
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Um Festival em Perfídia · Machine-readable JSON-LD