El Tierno Se Fue

Recording by Calibre 50.

Recording identifiers

ISRC
USUM71100652
CopyrightID (CopyrightChains transaction hash)
0xfba4262ea0452bf78d35b325057ab068696af6371dfa568504e264064620d936
Copyright registration time
2026-06-01T07:22:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:a87456fd5dde616ce9b15a4e97aeea25dca29bb9736800690519a2d584712078

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.