Self To Self

Recording by Josh Kalker.

Recording identifiers

ISRC
GBKQU2496163
CopyrightID (CopyrightChains transaction hash)
0x0c6570799b411c8e5251fa31d03d732e54013e88a79fb807c40a9b8dda47514f
Copyright registration time
2026-06-20T12:16:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:364a1411784ef8309ffe2878b7dc641bd016aa9c366c1dd76684269574d9f3df

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.