Silent E

Recording by Tom Lehrer.

Recording identifiers

ISRC
USSE91031705
CopyrightID (CopyrightChains transaction hash)
0xa2a434dc91cacc72307995fc6b79e585b74c8aa85e60fc5dbcdb619f8d83072a
Copyright registration time
2026-06-20T12:29:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:02660a5dde107a15a76063ecd761677dac597b45cdf089b94cb36d91a52e42dd

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.