Uma Palavra

Recording by Chico Buarque.

Recording identifiers

ISRC
BRBMG9500195
CopyrightID (CopyrightChains transaction hash)
0xd95a0a273fb4741e88891e818c8065f7426ea5580ccc15bc63b3434ad0bfabe7
Copyright registration time
2026-07-06T00:51:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T01:25:57Z
Bitcoin block
956856
Canonical record hash
sha256:61ef9838c42ea1235dbdc851d8cf2514de2d0b788a5ce3a8122abb5d1b27b076

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.