Bass Marimba

Recording by Harry Partch.

Recording identifiers

ISRC
USSM11305298
CopyrightID (CopyrightChains transaction hash)
0x2f56655a14d2ae80dd50eefb657ac48f05b3adc05e54f7333e98b5cef88d8b8a
Copyright registration time
2026-07-07T19:01:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:2c1787c7f07aeb86a033a128ae626b4db92a1016a2f5c60f0f7226b87ac0ba74

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.