Blue Echo

Recording by Sawano Hiroyuki.

Recording identifiers

ISRC
JPE302400896
CopyrightID (CopyrightChains transaction hash)
0xe64747b28c797aa0d7fd019aaaa33cadbf8a208767a550e4912212f2b450754c
Copyright registration time
2026-06-09T12:55:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:e7ec9b082d5cd1f3e14ef366ff608b82a8944327614a4621700025e792c8c7e7

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.