Music for 18 Musicians: Section II

Recording by Steve Reich.

Recording identifiers

ISRC
USN019745104
CopyrightID (CopyrightChains transaction hash)
0xd74916bd2870f9a60f0779076a47464aede9f8d0f4708a87aae92004469c3eac
Copyright registration time
2026-06-09T07:09:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:15d1655bf9788314f024281df0d04945453912d63e1a478cd90b5b77c1c12ed4

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.