thinker

Recording by South Penguin.

Recording identifiers

ISRC
JPJ902111110
Release date of the album this recording appears on
2021-12-08
CopyrightID (CopyrightChains transaction hash)
0x1367fde8cc6be020dba151ef5fb26170ca63a0873bfc09232b621f2bca6f24dc
Copyright registration time
2026-06-22T05:40:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:491ce23f0741941c450304eae7a26af7b68a403e14cf57fe6af5fa169651a73b

What this proof establishes

This recording was released in 2021, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.