Ritmo De Hip Hop Para Un Trabajo Eficiente

Recording by Música de Trabajo Clasico.

Recording identifiers

ISRC
QZZEC2454421
CopyrightID (CopyrightChains transaction hash)
0xf9e11eda2abcbce532c7b3c3d9cc8446c33816b9623f58f1279bd5d6fa3d6c81
Copyright registration time
2026-07-07T07:30:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:5bdc58d3942cc59adbedd6527ecd9a314fb33fed811a21a8305bbde666ed5309

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.