Firmeza

Recording by Eduardo Mano.

Recording identifiers

ISRC
QZGLM2141362
CopyrightID (CopyrightChains transaction hash)
0x4fe105ba47c85539310cb63776b15dd9cfdbe7f03d0d8210cfcaacdc1298b28f
Copyright registration time
2026-07-29T23:13:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T23:23:05Z
Bitcoin block
960164
Canonical record hash
sha256:c81db06d7d71a6fa5a3f2e5bd428ef5a099e077e79121c1ebf188c5ee0c237e1

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.