The Girl in the Blue Window

Recording by Takatsugu Muramatsu.

Recording identifiers

ISRC
JPTK01411380
CopyrightID (CopyrightChains transaction hash)
0x158fe3dcdc7567fc0586a2a79ffc54efa022d2259d701117cbe10f9412c46ad7
Copyright registration time
2026-06-04T09:05:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:4700500572b44b8a4de3b7d58463474de0348d2340c7ac562180e036b3197508

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.