Castor & Pollux - A Dance for the Twin Rhythms of Gemini from Plectra & Percussion Dances

Recording by Harry Partch.

Recording identifiers

ISRC
USSM16800580
Release date of the album this recording appears on
1969
CopyrightID (CopyrightChains transaction hash)
0x8940b52679893e042047ceb9b6d117167d47f55422968f769317f7c1b23b73d3
Copyright registration time
2026-07-30T02:47:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T03:35:13Z
Bitcoin block
960203
Canonical record hash
sha256:3b0ea6683a14e31ad65b47b2156de938b2be1b602d3250157068673abdd1e697

What this proof establishes

This recording was released in 1969, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.