ISRC QZQAY2220021
Verified recording
QZQAY2220021 is “Promessa De Pescador” by Dorival Caymmi,
registered on the CopyrightChains blockchain with CopyrightID
0xcd44c6cfb138b90db259a718ebc05ae98541268076e0e3c13996c619cae344da and independently timestamped
in Bitcoin block 960264 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZQAY2220021.
Recording identifiers
- ISRC
- QZQAY2220021
- Title
- Promessa De Pescador
- Artist
- Dorival Caymmi
- CopyrightID (CopyrightChains transaction hash)
0xcd44c6cfb138b90db259a718ebc05ae98541268076e0e3c13996c619cae344da
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T14:36:16+00:00
- Bitcoin block
- 960264
- Canonical record hash
sha256:f2622717269677577c16cb73b02f4dbb731d083cb5edb610e99e147581a700b1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZQAY2220021
- Bitcoin block existence check
- https://blockstream.info/api/block/960264