Harder On You - Demo

Recording by The Knack.

Recording identifiers

ISRC
QMWHB1501114
CopyrightID (CopyrightChains transaction hash)
0x299650c3cfd5e475659d4c6cd95f572f648a99cbe30c7f371c299feac411809d
Copyright registration time
2026-07-07T22:15:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:ceebc2ebbc6dfb7c8cba90baec14b5cb9dc8af21536f4de2027cc83c2de80161

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.