Music for 18 Musicians: Section IX

Recording by Steve Reich.

Recording identifiers

ISRC
USN019745112
CopyrightID (CopyrightChains transaction hash)
0x3dc4a8cab5d48936b65a0d3b7ee884d1fdcb16215e46ea8d6ba92d2e12143081
Copyright registration time
2026-06-21T22:30:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:18:56Z
Bitcoin block
957048
Canonical record hash
sha256:e87cc3aba0b37723184f25f2c9554360a2c7145ad860f8e6c02c0190678bdac9

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.