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Recording by 内山 修作.

Recording identifiers

ISRC
JPE101900630
CopyrightID (CopyrightChains transaction hash)
0x457d709da023d1a2f06eb8a9d8156a47a325d6c84dca85bd85e29abf97aab6f7
Copyright registration time
2026-07-06T06:22:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:68bd33c31db701a6e8577bdd0e643ab159f8e682c9459ab293239ea9184d9bcb

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.