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
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:929c18010721fb4095f5f10bd11acf1168451367134bc85664f3e804f5c1a156

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.