Tiempos Perdidos

Recording by La Frontera.

Recording identifiers

ISRC
ES5701500626
CopyrightID (CopyrightChains transaction hash)
0xa3ee5bfe3849b146a3416621dfbe06054811e3e2b2a3d21cd9120a3d01448d10
Copyright registration time
2026-07-31T10:34:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T12:24:41Z
Bitcoin block
960397
Canonical record hash
sha256:5971c38235c4cc9d548c632ed79f491b733ccaf5a47121f3dc9a3c1cb1261153

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.