Violentango

Recording by Astor Piazzolla.

Recording identifiers

ISRC
CH6542202965
CopyrightID (CopyrightChains transaction hash)
0x8f74d93d0178572d14773fcebe1f43936cbb5c4ece0100df46bf5290326804c4
Copyright registration time
2026-07-07T09:55:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:45fd5f2bcdf0b454a98f9413ee9c65a53015157a1089153773b367ebb4fadef5

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.