Trago amargo

Recording by Alberto Echagüe.

Recording identifiers

ISRC
CA5KR1710327
CopyrightID (CopyrightChains transaction hash)
0x485779eb1e988acb918c20052521bd3964a653baf9b0af7530cc8f2c93b05700
Copyright registration time
2026-06-22T03:28:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:ce6fcd3551add005574e92a1dee049e916dea8de61ea4eeba6cbf00a9111feee

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.