Poesia Acústica #12 Pra Sempre

Recording by Filipe Ret.

Recording identifiers

ISRC
BX6Y62200001
CopyrightID (CopyrightChains transaction hash)
0x3f2811bb82e9c6d1a4f85adab958b4abc983e3144b08316b0c8aee23694cc614
Copyright registration time
2026-06-01T10:51:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:3fa5430f0f08fc4f9fd502ed5df264a16bc56da16a53d0a93028d7e27bd76969

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.