Tango Cordoba

Recording by Wolfgang Haffner.

Recording identifiers

ISRC
DEA892000062
CopyrightID (CopyrightChains transaction hash)
0xa8b9791c18890453d2b14c1bb41e7172464de0c38aeb2b685a9f14b75f75cb11
Copyright registration time
2026-06-20T10:54:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:86a10d96182ec310adac2be2ebfeec7ed48e92e803e0de79c754a4ca56499f08

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.