RHAPSODY IN BLUE

Recording by Taisei Iwasaki.

Recording identifiers

ISRC
JPV431700557
CopyrightID (CopyrightChains transaction hash)
0xb6c6a79056e427a81b18941daf184aa571165bfe72a38c651734ff99bedc9eac
Copyright registration time
2026-06-20T22:55:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:dd6f168adb8dd14e3e89db63a2129b897e44879975bdd314dbae73a7fd1debe8

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.