Histoire Du Tango (1986): Café 1930

Recording by Astor Piazzolla.

Recording identifiers

ISRC
ATTE41501319
CopyrightID (CopyrightChains transaction hash)
0x2c77aeceaf5ac00424f666635797a496a5beb4bf0b7e2fa64dfac0092c623d75
Copyright registration time
2026-07-07T19:17:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:dd9be8a7ece74b524303449b1bf8ae6ed9af55540862ee28aed1f9fddba21718

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.