Amargura

Recording by Mercedes Sosa.

Recording identifiers

ISRC
ARF096900135
CopyrightID (CopyrightChains transaction hash)
0x09eb22144003da73bcc7e567aeb19cefd5a9448060947fea6f161bc99886801a
Copyright registration time
2026-07-06T03:32:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:f63313ed5b830762af90b5ec24f9050d399f6cc98b480926507c3b9c6d04cf24

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.