O Gato e o Canario

Recording by Pixinguinha.

Recording identifiers

ISRC
FR6V80705248
CopyrightID (CopyrightChains transaction hash)
0x910ccf6b955fadd742d4588cf5ec6fee9068893223b9d917a971357679ed6416
Copyright registration time
2026-07-30T04:26:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T04:47:22Z
Bitcoin block
960207
Canonical record hash
sha256:c63fc51b3f6bfd7699b7bf7efd9e04b16812726a473476c41e0af1d71abdb648

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.