Muda

Recording by Chico César.

Recording identifiers

ISRC
BRC0H2400013
CopyrightID (CopyrightChains transaction hash)
0x99220d79e7d2ca1c2781cb7ebd045380366502cab2582475d5f6e9479b941ec8
Copyright registration time
2026-07-29T15:54:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:58988e98903c36bf72cd6b16ec1120e7f6147242f171d995634a9d4cf1ba26f3

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.