Runner: IV. Eighths

Recording by Steve Reich.

Recording identifiers

ISRC
USNO12200314
CopyrightID (CopyrightChains transaction hash)
0x1d63d2339cbe57a457ac969dba793183be8829d49597a36fbf2a4d3f0ff28d87
Copyright registration time
2026-06-23T02:38:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:8ed5adbbd3ef0d53e815b6b308650737d82e94c4ff655b561089be1805f022cd

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.