Frecuencias para Sesiones Suaves de Estudio

Recording by Concentración Música para Trabajar.

Recording identifiers

ISRC
QZP7F2504959
CopyrightID (CopyrightChains transaction hash)
0xe8115e0ae888e7bddabf207258478cb2ae35adf70925c1dd2f6b8f3e57c2763c
Copyright registration time
2026-06-24T07:57:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:8f04c31c264a18817b66462845c92289449651903551e389df9bc20f2703cb64

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.