A Porta

Recording by Mariana Froes.

Recording identifiers

ISRC
BCPEK2000003
CopyrightID (CopyrightChains transaction hash)
0x5cae71dd8802008cc1e3c2643de32ccca09c56609544d80f94b49aee935cadc0
Copyright registration time
2026-06-04T15:56:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:47b03c81e083e0ade107bf7fa3284de0aafac7014970d7e108c3682174191aef

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.