La Cumparsita

Recording by Orquesta De Tangos Argentina.

Recording identifiers

ISRC
CAM460434278
CopyrightID (CopyrightChains transaction hash)
0x4f78369684254d5214cffce72a0ac309eef05a13a701e40e43ed50087dc43138
Copyright registration time
2026-07-07T12:33:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:49558faa72de77f30a66e170433a24970029ecdbd8fb08a8c5d5a77971c4f46f

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.