答え合わせ

Recording by 二条瑛士郎.

Recording identifiers

ISRC
JPP302200139
CopyrightID (CopyrightChains transaction hash)
0xc433bc04594c9f76a28fdad59edd348e59de3f6664049c1281cfdfaa1d362fff
Copyright registration time
2026-07-04T22:31:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:b4a1b437a8928d35fc479f778e886524e1382a5709ab7815e5576aff22c6ba2c

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.