El preso número nueve - Live

Recording by Joan Baez.

Recording identifiers

ISRC
USNVE1600017
CopyrightID (CopyrightChains transaction hash)
0x8499f235729db7cdca3fad6baafc13c6f04f8319842f0bcb2c161fa81ff9027b
Copyright registration time
2026-07-06T08:11:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:3cdef75b7587bfdaee8188ca275c93f01c75f47bdd5ea089bfc53878200f57ef

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.