Canción de Rubias y de Estancos

Recording by La Guardia.

Recording identifiers

ISRC
ES5109100068
CopyrightID (CopyrightChains transaction hash)
0x91c2bb679f247f1b574202841197c1fc621bf71c5b3cd75d62844e39cf1c4f95
Copyright registration time
2026-07-30T11:21:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T12:06:10Z
Bitcoin block
960254
Canonical record hash
sha256:8c23430f674a2eb6d88ab33022db82f9f2d84b3f8ee5d36ac168d65e78671a14

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.