Empresas MZ

Recording by Calibre 50.

Recording identifiers

ISRC
USUM71100648
CopyrightID (CopyrightChains transaction hash)
0x059d1896c607f8cb30f319d9bc1f12ae92e0bf8eb14c13008efe08982f1d442f
Copyright registration time
2026-06-04T07:59:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:037ba27494f71f4fd62920d7df364886a9e55db89ca78e60b5ae83131cd47557

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.