ISRC QZTPX2492582
Verified recording
QZTPX2492582 is “Laçaços da Saudade / Mensagem de Saudade / Sina de Gaiteiro” by Ivonir Machado,
registered on the CopyrightChains blockchain with CopyrightID
0x9502c14365b1c379bc93695c1990b857240956cd0abb987aafa7ff153983297a and independently timestamped
in Bitcoin block 960455 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTPX2492582.
Recording identifiers
- ISRC
- QZTPX2492582
- Title
- Laçaços da Saudade / Mensagem de Saudade / Sina de Gaiteiro
- Artist
- Ivonir Machado
- CopyrightID (CopyrightChains transaction hash)
0x9502c14365b1c379bc93695c1990b857240956cd0abb987aafa7ff153983297a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T19:53:13+00:00
- Bitcoin block
- 960455
- Canonical record hash
sha256:558410aea176f46d0e89f9bf767ad4b3e7a4ce5356e3448ed74585ed6c2fb06f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTPX2492582
- Bitcoin block existence check
- https://blockstream.info/api/block/960455
Full record
Track page: Laçaços da Saudade / Mensagem de Saudade / Sina de Gaiteiro · Machine-readable JSON-LD