Drumming: Pt. II

Recording by Steve Reich.

Recording identifiers

ISRC
USNO18717002
CopyrightID (CopyrightChains transaction hash)
0x16042e2c0fef1fd3c92a83735f2f4613b6b8224a2225f8930ad48942c9706abc
Copyright registration time
2026-06-25T18:51:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:7770b9390b5f14b9410b5ec04f1a6fabb43699410902229e327915b34962b6df

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.