Toc Toc

Recording by Kerchak.

Recording identifiers

ISRC
FR9W12237424
CopyrightID (CopyrightChains transaction hash)
0xa19960c3bdf5c62a5b7c704ba04a960d2a0183a263024aad8cd6ae5ae57f5f72
Copyright registration time
2026-06-07T13:15:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:ff540fe41228759514371cf43c04a9028edc4bbbdc573dfba8122a6cb36b5017

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.