Tango Cumparsita

Recording by Kate Tsvetaeva Pop Violin.

Recording identifiers

ISRC
TCABC1111495
CopyrightID (CopyrightChains transaction hash)
0x55eadee4b23849ac943cf1a9d5eb619f733d3f4540cd2b9e5a4e0eb6a78693b7
Copyright registration time
2026-06-21T16:52:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:3914d82094b739987109cf7fc4dd732d1e872324cea2f480468669ce1218f362

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.