Music for Ensemble and Orchestra: IV. Eighths

Recording by Steve Reich.

Recording identifiers

ISRC
USNO12200319
CopyrightID (CopyrightChains transaction hash)
0xabc09772e3fdcde565d0d544b92325f2b1b527b7c428a579fe146e7bf388af20
Copyright registration time
2026-06-26T21:44:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:f91644e2915e2f76e9c4d97007a0fd35419f7636b2c36bf34aec31405eed5589

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.