Ligia

Recording by Chico Buarque.

Recording identifiers

ISRC
BRPGD7400025
CopyrightID (CopyrightChains transaction hash)
0x9f68162dd89004fd82dfd2ffb267210b9200d540c77218c5b50e150a56abbf33
Copyright registration time
2026-07-06T05:39:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:4a1b0c23dd06884155b6b5b59d7b36883d6220665657a8a83ca10853e9c80fae

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.