未恋

Recording by 606号室.

Recording identifiers

ISRC
JP92A2303815
CopyrightID (CopyrightChains transaction hash)
0x454df0e2c62eb7ae9396b0de7fba3fa913a42f45b79e8eafe06f34c84de84511
Copyright registration time
2026-06-05T15:10:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:bd2c76068ea89f090e6ef9262bd156e9736fab06e2f37d3a2fa4d13916a6ecc0

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.