Music for 18 Musicians: Section IV

Recording by Steve Reich.

Recording identifiers

ISRC
USN019745107
CopyrightID (CopyrightChains transaction hash)
0xcb67fe7ceb606433cfe4b82bad981b83bfc234c96c170b0cc822da4dd5832016
Copyright registration time
2026-06-19T23:59:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:04:01Z
Bitcoin block
957046
Canonical record hash
sha256:675c93e4de2f18b051c43a5d01de7206a03ec462f8b75432c26f20584c1a6756

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.