Una Canción

Recording by Aníbal Troilo.

Recording identifiers

ISRC
ARF039800888
CopyrightID (CopyrightChains transaction hash)
0x7b1da93fb4f9e9b7b77576f099d2158f466c70332c885873c0abfc3f23ef678f
Copyright registration time
2026-06-21T10:11:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:9be7945ad37fa33cd05a4fe3016482c396936d3b0278a5cbd1fd1da2a534caa1

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.