苺王女計画

Recording by サンドイッチで120分?.

Recording identifiers

ISRC
USHM21191214
CopyrightID (CopyrightChains transaction hash)
0xb5d91ca4deac5221a79e7f26d0683f5c99651f2c8bc3f7f5a767bf391317a6f5
Copyright registration time
2026-07-07T03:21:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:f3292f306591240aad68b14f735e1df75d5782e9ca0506a322a6daf4ffaf7292

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.