Blue Window

Recording by Jeff Kaale.

Recording identifiers

ISRC
QZ4JJ1994394
CopyrightID (CopyrightChains transaction hash)
0x27fcbaf2e16815f2664af373b0e0b3f0395e5b36124165aaec241c27f1e47630
Copyright registration time
2026-06-11T16:19:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:acb60ea1b8a9761bed8b24d8be9eecd77b687747b41f11b1148dd692594176c7

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.