ISRC QZ57D2200354
Verified recording
QZ57D2200354 is “Várias Queixas” by Lucas Leto,
registered on the CopyrightChains blockchain with CopyrightID
0x2be38d0d3f0b44f84f8425e7c15b979cfd0e8ca488b8cb5ddfea86fccfdc294a and independently timestamped
in Bitcoin block 960317 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ57D2200354.
Recording identifiers
- ISRC
- QZ57D2200354
- Title
- Várias Queixas
- Artist
- Lucas Leto
- CopyrightID (CopyrightChains transaction hash)
0x2be38d0d3f0b44f84f8425e7c15b979cfd0e8ca488b8cb5ddfea86fccfdc294a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T21:35:24+00:00
- Bitcoin block
- 960317
- Canonical record hash
sha256:87942c1f6e6e13cc6d999be2f2bc02135d5e1b9f19b5a3af80451a2c91b51e3b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ57D2200354
- Bitcoin block existence check
- https://blockstream.info/api/block/960317