New Math

Recording by Tom Lehrer.

Recording identifiers

ISRC
DGA0R2309253
CopyrightID (CopyrightChains transaction hash)
0x429ffaa02b26f41b6c91382432cf06b82c2ed72dd1ea09a7fab264a2bfc2b5b3
Copyright registration time
2026-06-27T16:17:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T11:38:34Z
Bitcoin block
956351
Canonical record hash
sha256:0992b3d78a46416a6f2b1656c352bc7e4cd6a7fc794d8915a2bcf18e517b82f0

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.