Una Mala Elección

Recording by Calibre 50.

Recording identifiers

ISRC
USUM71404235
CopyrightID (CopyrightChains transaction hash)
0xa223be369a5951e27520ac8c954ed9619c97b14ece672e49ca393230e595cef6
Copyright registration time
2026-06-02T00:57:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:dc9d5c29d258e2cbc4a4642763b6396b09f2a0f3be4e2330cf325c7bbe8ef9a7

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.