25 de Mayo

Recording by Francisco Canaro.

Recording identifiers

ISRC
ARA821511212
CopyrightID (CopyrightChains transaction hash)
0x96590e69ef698a708ab06d4a7d4382606f6c15c9007a07c1d677ecd4d117be96
Copyright registration time
2026-07-31T08:13:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T08:38:45Z
Bitcoin block
960370
Canonical record hash
sha256:14e76bbf3665a0aa149869a8e3c6c5307871d05b3d8ba654d8e083527b706a38

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.