Prohibido Olvidar

Recording by Rubén Blades.

Recording identifiers

ISRC
NLB639140007
CopyrightID (CopyrightChains transaction hash)
0xeda1290a1e84c8d63152f2069ce0380b779e59857774302a399603b9abced54c
Copyright registration time
2026-06-08T09:03:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:850f38da56221f284e05e3d7bae4face96166489eea57801da89c0239ff1e4d4

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.