El Tierno Se Fue

Recording by Calibre 50.

Recording identifiers

ISRC
USUM71100652
CopyrightID (CopyrightChains transaction hash)
0xfba4262ea0452bf78d35b325057ab068696af6371dfa568504e264064620d936
Copyright registration time
2026-06-01T07:22:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:a3dd5e1876693127c36f2f1cd763b9e1e4dffe751cb3d6d4d140f246871699bd

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.