O Muro

Recording by Nando Reis.

Recording identifiers

ISRC
BR7OQ2400017
CopyrightID (CopyrightChains transaction hash)
0xc42467e5ea0544828b4fdb895439f561402aafd86a2c87d30a6ab72c102a6785
Copyright registration time
2026-06-17T22:27:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:f21b2ac4802452dc770cebe9cabd20511d1cb3b78e3fc156762f04cef7b4ffec

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.