Dear from 冬の大感謝祭 其の十一

Recording by Masaharu Fukuyama.

Recording identifiers

ISRC
JPPO01202062
CopyrightID (CopyrightChains transaction hash)
0xd086bb41807a36d832dce7f630e74fdcaa3311d4ce49c1537502123b56284b5c
Copyright registration time
2026-06-26T20:44:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:f744e286f916e9b6258e5dece4a7a891130554a2af823d38ad329a8b6c34025c

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.