ザ・クリスマス・ソング

Recording by 久米由基.

Recording identifiers

ISRC
JPQ700600278
CopyrightID (CopyrightChains transaction hash)
0xe7114f2f27ee49e6466186799d9247bd3603e4f9125f3d8d104580ede06d7721
Copyright registration time
2026-07-07T10:55:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:cf464e969f38c8edf3ca3f5dc4c7c1d7278c3975f13cecb16ca920d02de629de

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.