Frecuencias Literarias

Recording by Concentración Música para Trabajar.

Recording identifiers

ISRC
QZP7F2505131
CopyrightID (CopyrightChains transaction hash)
0x992362d66aec7035ee43acf0fec47ddd8e071f0d4b56c6c8509722c0e4fc723d
Copyright registration time
2026-07-29T16:49:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:8076509e251f35f0767a1dd650964104d7a72c0c5ecaacf71c342267b3a32a7b

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.