Secret utopIA - TENKA OSAKI Version

Recording by TENKA OSAKI (CV: Ryoko Maekawa).

Recording identifiers

ISRC
JPI102200534
CopyrightID (CopyrightChains transaction hash)
0xfac386c2621080e3d7768e4b7cc59c11d2f82c6ef51f30d0cdc2f97bfdda6401
Copyright registration time
2026-07-07T10:45:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:9d561d0b83ddff5dcd32f51b8fd157d813c1dc2865eac169ce9c70ac54e3a2e7

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.