Un Vals para Mi Pueblo y para Vos

Recording identifiers

ISRC

ARF109900721

Release date of the album this recording appears on

1973-02-10

CopyrightID (CopyrightChains transaction hash)

0x2675395accb0411daccf1512dc5e55df89451972c3cd41697df48b51c695fb72

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-08-01T04:30:37Z

Bitcoin block

960509

Canonical record hash

sha256:2a8baa1e6dbac2077cf7c33eb27aac47f583bb7bbe7b1b513a664618524beff6

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC ARF109900721

What this proof establishes

This recording was released in 1973, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.