Canción Fúnebre Para el Che Guevara - Remasterizado 2021

Recording identifiers

ISRC

CLAA22100116

CopyrightID (CopyrightChains transaction hash)

0xb0a6d4e09b911676b4e4cc4ca55e2e64ae402372396d137d7e47cc4da85429f5

Copyright registration time

2026-07-30T21:36:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-30T22:27:30Z

Bitcoin block

960321

Canonical record hash

sha256:2c6aa5b490261eed04afa90df19f9d691a9df8dad3dd506317975a305a18719c

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.