The Riddle

Recording by LAST CALL.

Recording identifiers

ISRC
NLYK92400057
CopyrightID (CopyrightChains transaction hash)
0x92de16023aa4542576ee38e9bd0c6c8e2b04f269e02ab027929f7edc436b2817
Copyright registration time
2026-06-08T21:23:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:d323998a1e5494f378fbd57ebea0e7a7e075b7cc3be3bdbff06908e3a52526c5

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.