Um Dia

Recording by Gal Costa.

Recording identifiers

ISRC
BRMCA6700225
CopyrightID (CopyrightChains transaction hash)
0xbab7822b598d78c3b83d869d6e20ba7839de455dbd2bc25a5b18488a85e1b3e2
Copyright registration time
2026-07-22T10:50:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-22T11:35:32Z
Bitcoin block
959123
Canonical record hash
sha256:940d26d78b18de33675b1eb3f6d51fa34c223f0c660961a2d066dd1372723a56

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.