Harmonia em mangueira

Recording by Carlos Cachaca.

Recording identifiers

ISRC
BRWMB9701409
CopyrightID (CopyrightChains transaction hash)
0x06ae74101e7ea9899f9f82a55db38527881709c98c100d91f4c32adf81b05f3f
Copyright registration time
2026-07-30T20:33:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T20:45:02Z
Bitcoin block
960311
Canonical record hash
sha256:adee31daed7b10862558139144e8de89caf25ac8a2f02aa866ea0957226a8e9f

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.