A Visit To A Sad Planet

Recording by Leonard Nimoy.

Recording identifiers

ISRC
USMC10346142
CopyrightID (CopyrightChains transaction hash)
0x932179d2b5b5b036fd3076bd83b90021bd5bc615a62af7c6f1b4111b469dde83
Copyright registration time
2026-07-06T08:49:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:09c7cdded2a967800f00fb6b18e0ca486195b5c8b2367daa6114780fba1da415

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.