Opus 1

Recording by Gene Krupa Big Band.

Recording identifiers

ISRC
USF095600850
CopyrightID (CopyrightChains transaction hash)
0x24120f656cfb34cf0d23ede9fffcc2b3ee2d93bc86634d13479a17f16c2e25bc
Copyright registration time
2026-07-06T22:00:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:36c446f50bd1e047e0bbc45dd675602523a449d5d12b17e0f43ce658413ffef8

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.