Three Movements: II. quarter note=88

Recording by Steve Reich.

Recording identifiers

ISRC
USNO19429506
CopyrightID (CopyrightChains transaction hash)
0x5bec5ed7a02dc39f9def89d553ec234c499c9d8e311fe519c3a6f1f91bc60fa8
Copyright registration time
2026-07-31T07:43:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T08:26:41Z
Bitcoin block
960368
Canonical record hash
sha256:ad7ac6a09e0edde57c82ddb2186bf7a90dcbef6f35d27433ee5b6697b4eeb327

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.