Puzzle

Recording by Sobel.

Recording identifiers

ISRC
PLUM72100219
CopyrightID (CopyrightChains transaction hash)
0xed41ca04cfe5f1e4d34d9c79f27b5249d24d8fa65436a7603688c1dd1aed4124
Copyright registration time
2026-06-04T16:50:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:c0f8a2e8e82a58727723219ad2a8bb8ee13d4298626d58b21c19f4ad929ebdb7

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.