The Four Sections: IV. Full Orchestra

Recording by Steve Reich.

Recording identifiers

ISRC
USNO19022004
CopyrightID (CopyrightChains transaction hash)
0x0696d4cd02c1e23d956add3fef79b4eafdb4eb9b2839b228e7f236048c5cbd87
Copyright registration time
2026-06-21T22:28:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:6f4a58defd28dba66b725ce126491c4a8da10fe3b42f49d60881ccc901616c7f

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.