Secret Smile

Recording by Gregg Karukas.

Recording identifiers

ISRC
QM7UD1400009
CopyrightID (CopyrightChains transaction hash)
0xfca28cb8e656ba967491374771a77d57b0432d2995a788303fd912d8fcb5f828
Copyright registration time
2026-06-09T08:50:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:d4e0b21907f3284c3a9e9a7e68b7104ee9f25791bef79ef03137fa8c2e05ea54

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.