Morro Dois Irmãos - Ao Vivo

Recording by Chico Buarque.

Recording identifiers

ISRC
BXKBP2300113
CopyrightID (CopyrightChains transaction hash)
0x831c716a203ceafff8d40b65f08ce6ab90c64c0f88a6c644dd58a8af8117e8ec
Copyright registration time
2026-06-18T11:45:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:818082f1cb82e09142b906a7b628f3f810aab31114c0e91dc29dbc88cb67a8ff

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.