Intermezzo No. 1

Recording by Marco Antônio Guimarães.

Recording identifiers

ISRC
BRCP41500004
CopyrightID (CopyrightChains transaction hash)
0x1b534bfdadd5b85a2b704669f23f8a819e857adc7a1de51d6d8a32100cb84b7e
Copyright registration time
2026-07-06T23:15:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:2587dd9909fd631d0b595c186b681a64c5a60f1b8df48b82686bef150aced0b9

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.