fast n slow

Recording by Knock2.

Recording identifiers

ISRC
QMFME2478670
CopyrightID (CopyrightChains transaction hash)
0x8100cb60d7955e3069bc64e67462223aa6bb8258569da193c4ac5ee7cfa84289
Copyright registration time
2026-06-04T11:00:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:300ca0dd87a17f2df49c437e6e957bec5da547fbe957d7d320421ac2c0189fb3

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.