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
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:dbf4e345ace9f5efc209164aa46b6d43dd48f988fbfe2821485481c57113ab9e

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.