Guitarrero Viejo

Recording by Alfredo Zitarrosa.

Recording identifiers

ISRC
ARF109902894
CopyrightID (CopyrightChains transaction hash)
0x3522e036765e8c61b69e7a48507be8595bb70a8b1ee9651f719ca9e3d0ded66e
Copyright registration time
2026-06-07T18:12:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:9bbc6809d96b8cbfffb80a9e95ba15aa629a914a4ab10e7c775ef801a16202ee

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.