Lenny

Recording by Nils Landgren.

Recording identifiers

ISRC
DEA892200347
CopyrightID (CopyrightChains transaction hash)
0x004150a5b913589762cd23bc36e9e019a35fa4389166dd8d8cbfbd21aff2693a
Copyright registration time
2026-07-06T05:38:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:9347e906d71e0b9c823b2ee0feae27bbc9814374a05e80c2d51067840c56db79

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.