Tango, "Por una Cabeza"

Recording by John Williams.

Recording identifiers

ISRC
DEPU71302507
CopyrightID (CopyrightChains transaction hash)
0xcc4cd19755105b1c06d65b3ae24408778189835abf5cdfb9d75e7afb5d06b7f0
Copyright registration time
2026-07-08T00:03:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:dcc4a927145eedd1601648209e112701dfcd20ad22f1cf68bad05b6bbf532399

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.