昔愛した、、、

Recording by 紅桜.

Recording identifiers

ISRC
JPS801405144
CopyrightID (CopyrightChains transaction hash)
0x773b0f5c02d5381dbd795cc5518c77702b1f56dcaa61fd55c380d7b038bd6220
Copyright registration time
2026-07-06T09:35:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T08:27:05Z
Bitcoin block
957012
Canonical record hash
sha256:58bc4fe3ece871774cec68905e118a239cedc7f18f8b9f776493f52e18e4d8ad

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.