Amargura

Recording by Carlos Gardel.

Recording identifiers

ISRC
MXD941811791
CopyrightID (CopyrightChains transaction hash)
0x888006d4d4c25bb9d31aca5ca54f723bf49561ab65c2fa4d53800f09f6d1e5c3
Copyright registration time
2026-07-06T08:50:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-13T07:53:33Z
Bitcoin block
957819
Canonical record hash
sha256:da6c04e215f8173b8fa3df99d1a2ebd2d9942db7059a810a542fe96aee26b261

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.