10 Easy Pieces for Piano: IV. Meditation

Recording by Zbigniew Preisner.

Recording identifiers

ISRC
NLY331800283
CopyrightID (CopyrightChains transaction hash)
0x49e1d04a4d7563860e8ab21d02366a3d9847888749294f0c38f365a15e5480da
Copyright registration time
2026-07-30T22:34:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T00:26:26Z
Bitcoin block
960327
Canonical record hash
sha256:4bf42f16e083441677f7c793884447d7d468808e6cb696c4c806fd38167d35cc

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.