ISRC FRZ335842230
Verified recording
FRZ335842230 is “O pato” by João Gilberto,
registered on the CopyrightChains blockchain with CopyrightID
0x9878841702ea284983130e593d18f08400dd8e994bfa3390d5015661f9596670 and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ335842230.
Recording identifiers
- ISRC
- FRZ335842230
- Title
- O pato
- Artist
- João Gilberto
- CopyrightID (CopyrightChains transaction hash)
0x9878841702ea284983130e593d18f08400dd8e994bfa3390d5015661f9596670
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:3aee0b0fbd451bb4b4a1120948735768cba9163781f7f22b7fd1a8e4e7a4ad4d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ335842230
- Bitcoin block existence check
- https://blockstream.info/api/block/960334