Den

Recording by 内山 修作.

Recording identifiers

ISRC
JPE101900560
CopyrightID (CopyrightChains transaction hash)
0x4df6549302b5dd0e87f628e3a222b58de8a15c3def3ce06dbd038702d86756ab
Copyright registration time
2026-06-22T08:46:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:bbf82bd4e277cf47887761507d9a36457ef1d3d111b71bb643c77bf160afcb48

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.