Abertura No. 4 Ballet

Recording by Marco Antônio Guimarães.

Recording identifiers

ISRC
BRCP41500001
CopyrightID (CopyrightChains transaction hash)
0x0704673b8b0b19c864ca4427ffce67ada593fc854fbd653e79e91386f80d763d
Copyright registration time
2026-07-06T10:07:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:50:41Z
Bitcoin block
957052
Canonical record hash
sha256:fe711bc8254d68414e9e52403230180d561446dac6589a997e0bd147cb827dab

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.