Cerca & Extraño

Recording by Entre Rios.

Recording identifiers

ISRC
ARF840400236
CopyrightID (CopyrightChains transaction hash)
0xd32d9794b45ba80249e3423b9579b9d4142ce59cf86cec390f843afbea28e836
Copyright registration time
2026-06-22T06:39:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:5408f0a38d914a184f7b3c5ff25a114924053adb26e497c52db572011280693e

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.