Le Grand Tango (arr. E. Runge and J. Ammon)

Recording by Astor Piazzolla.

Recording identifiers

ISRC
DET900812611
CopyrightID (CopyrightChains transaction hash)
0x46fffacd8ab913f16984d4bca47239a21f8737f4134a4605c94db4a37abc529d
Copyright registration time
2026-07-06T23:59:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:ba4458d168816c65e5ff9814d370f96567d3edc48a3a12fad02d9e28333ca9ee

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.