Polvo y Nada (En Vivo)

Recording by Grupo Firme.

Recording identifiers

ISRC
QZDQH1908809
CopyrightID (CopyrightChains transaction hash)
0x011ae36cb91021090287d7e91d21a395e3533c0dcfddf512842697754d0992c2
Copyright registration time
2026-06-06T16:30:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:f6c6ca68280c8e95fe2ae620c3f22bb88d9f13d692c23cef125620019c14d560

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.