Prelude No. 2, Mock Up

Recording by Chick Corea.

Recording identifiers

ISRC
DEB338431004
CopyrightID (CopyrightChains transaction hash)
0x385d2e0333fc33232fe1c7ea2a293389a9fcf9e939c8fb4b0e466add5a422f2f
Copyright registration time
2026-07-06T09:25:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:50:41Z
Bitcoin block
957052
Canonical record hash
sha256:a588c0bdb6d8db857bb294a266a7a79f655dadfc8deacd06ffb6719bd3c094c1

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.