Firmeza

Recording by René González.

Recording identifiers

ISRC
PRQNG0810046
CopyrightID (CopyrightChains transaction hash)
0x94f1cedf7bcb7e9a739211490b867679f778e0e538f7a38c43b9842e38916968
Copyright registration time
2026-06-27T16:35:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:c9c303a68338594a711a74fefd98d8bc89e19777b868aede1bdb631781457583

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.