Ironia S/ A

Recording by Guilherme de Sá.

Recording identifiers

ISRC
BX4TA2000135
CopyrightID (CopyrightChains transaction hash)
0x830f5c78b407957e53572c990a77c77b9b3d92b7bad06bd76afa035577879672
Copyright registration time
2026-06-23T14:15:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:647cabd6f98c27ac68c7ccea0ceb74a1872ca67a6b3e45299fc6ed6242409838

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.