Violin Phase

Recording by Steve Reich.

Recording identifiers

ISRC
USBC10101005
CopyrightID (CopyrightChains transaction hash)
0xa91903da8486696507f38ea9131c5288495f81c7a60575fe0e128bf1062b1e98
Copyright registration time
2026-07-30T03:28:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T04:47:22Z
Bitcoin block
960207
Canonical record hash
sha256:9eb759d4ea635040e0269f5121d94ca69e4ebe848b29cde172648c8273576b99

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.