Contigo o Sin Ti

Recording by Martin Castillo.

Recording identifiers

ISRC
QMFLS1500234
CopyrightID (CopyrightChains transaction hash)
0x6e845db781d8cc7fce62a86a501e8b295b5580fa52693b358022751c684772ea
Copyright registration time
2026-07-30T03:01:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T03:35:13Z
Bitcoin block
960203
Canonical record hash
sha256:f807446ffd1b619834b316e3311a6712447a1fbb33e5c921d2a12e11bae45770

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.