Máquina de escrever

Recording by Pedro Luis E A Parede.

Recording identifiers

ISRC
BRWMB0102068
CopyrightID (CopyrightChains transaction hash)
0xa77ac1fdfdbb813d86d5c43f95ad172f0ce4442f7b12c3e90b3a3b2762608e1a
Copyright registration time
2026-06-20T11:01:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:18ac0a7f28ec853688a4a37902c82729b3e357832abd1326d434caf5b0b291a5

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.