Tango tristesse

Recording by Orquesta De Tangos Argentina.

Recording identifiers

ISRC
FR0W61474749
CopyrightID (CopyrightChains transaction hash)
0x27f2831dcb6eb01036df1c91f78c4db67fba111115d114e3764841664e2cef75
Copyright registration time
2026-07-07T07:32:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:7697509d85f6127d88c7252d7b8b22dedf8020e2667b9868292569f0f7413048

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.