Nature Boy

Recording by Leonard Nimoy.

Recording identifiers

ISRC
USUM71503463
CopyrightID (CopyrightChains transaction hash)
0xadd858c2aba67f96f22efefb0ccf182798f9f0e3af8520e1ab083c436ce202fe
Copyright registration time
2026-06-26T08:37:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:44c88a7a2c3a46252e4ed90f8ac3618bf652355e98523e735ddf5e2cefbc74dd

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.