Perla marina/Ojalá

Recording by Silvio Rodríguez.

Recording identifiers

ISRC
MXF600603021
CopyrightID (CopyrightChains transaction hash)
0x24810a63502f66b6a80cb1fdc2a06e0d95ee4924b2c07972dbe832f62b241e49
Copyright registration time
2026-07-29T16:12:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:1a78fa3b3c3081acdbd4944e6abe4ab4f65f516e149772d2aaa07ca1867783f3

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.