Intro

Recording by Irmãs de Pau.

Recording identifiers

ISRC
BRTRB2085056
CopyrightID (CopyrightChains transaction hash)
0xf2fa80d151093e90a7d7d898a917a33c6b88a3e81b1271a51df799bbf9bad737
Copyright registration time
2026-06-21T07:27:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:4fbc7bc18020dcca0d0f15dedfa06e500dbd07c390bb0bd132f253c82f9668db

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.