Nº2 - 6º Andar Frente

Recording by Fernando Tordo.

Recording identifiers

ISRC
PT8HR1900002
CopyrightID (CopyrightChains transaction hash)
0x4080239d15c0277be7b0ea62c97c7b192717f8678a0d429d54c0b7f349a706db
Copyright registration time
2026-07-07T08:08:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:72680342a70f4ba1c188008a980ca7f6e5ca0e12e056c07a2f0d760ed27352ae

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.