9:20 Special

Recording by Buddy Rich.

Recording identifiers

ISRC
USGR10301283
CopyrightID (CopyrightChains transaction hash)
0x20198f7bfd3779575c2d38a568c1aae0245e3a861279372b2dde211b0ef9467a
Copyright registration time
2026-07-22T11:41:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-22T12:33:25Z
Bitcoin block
959128
Canonical record hash
sha256:5600549f7b6340f9420f7d527be5dd0ac770e293f55d9f42fcb602d0cc2a960a

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.