Music for 18 Musicians: Section IIIA

Recording by Steve Reich.

Recording identifiers

ISRC
USN019745105
CopyrightID (CopyrightChains transaction hash)
0x35e195f535255632eae5624895d1033f34f3b3a11c585128635fb2e880c96e18
Copyright registration time
2026-06-08T11:28:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:50:41Z
Bitcoin block
957052
Canonical record hash
sha256:63cb28233db960610ff8e66b4692420b6078148953de8980322baa2dbfd8e927

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.