Music for Ensemble and Orchestra: II. Eighths

Recording by Steve Reich.

Recording identifiers

ISRC
USNO12200317
CopyrightID (CopyrightChains transaction hash)
0x2ba0a87fe21674c6cb06b6236aa67843ffe02e7ceac4f1f61e73caa66b5e4ed6
Copyright registration time
2026-06-25T18:52:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:f2bc1674ff9b3ae8e09505cfa569f0e87a6e9e2c3d48f61d4e4f5328d85f9efe

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.