Firme

Recording by Fe Ribeiro.

Recording identifiers

ISRC
BX9ZT2400500
CopyrightID (CopyrightChains transaction hash)
0x758e62b0d42c52bb000bf028e81272b8757fbeedaa33e08c3b7366346e12253c
Copyright registration time
2026-06-09T10:17:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:01824255561b9c7cdfcb3d6bd0c858c65295597a9b8b9957a8309a0baf696698

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.