Histoire du Tango: Café 1930

Recording by Astor Piazzolla.

Recording identifiers

ISRC
GBELX1304636
CopyrightID (CopyrightChains transaction hash)
0xcb7567e07b87eb71366ebd169f926912d1ae7da821c4938bfc9eddde450c3838
Copyright registration time
2026-06-19T13:23:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:e920998c31fb9e4a748588ece19b99e7d549847a98f5647ba43432485a16dcf4

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.