Ouverture

Recording by Karkwa.

Recording identifiers

ISRC
CA60L2310001
CopyrightID (CopyrightChains transaction hash)
0x7f3bd3850cb6c213b248b0ed6dc31eda78754da984a8d4142ff3d8d6b7f4af19
Copyright registration time
2026-06-20T01:27:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:1361f99fe671c19186e784c494a2bf5f34635610cecc0f159c52282895855643

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.