Sigo en la Frontera (El Tony)

Recording by Martin Castillo.

Recording identifiers

ISRC
QMFLS1500055
CopyrightID (CopyrightChains transaction hash)
0x26a52ec54f545f7ddb05546a71b0662102c16651c511a401f46a1282c2fc7d79
Copyright registration time
2026-07-06T10:15:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:54:37Z
Bitcoin block
957067
Canonical record hash
sha256:1b9fdf97eb4d5767df59adcf0eebdb5c3f6d5d4e9529ea0a6c7d29eca090fb6f

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.