Leon the Professional

Recording by Knucks.

Recording identifiers

ISRC
GB45A2102616
CopyrightID (CopyrightChains transaction hash)
0x62f1dd9dc9b962c0137ca508fe9f01cf48bd99f53aff438cb1c0fdc4cfa7c2a7
Copyright registration time
2026-06-01T09:12:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:a44285fcd22c4653f2f749647d0ee05cb550e7c0eee719c051ec8755ee56d167

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.