あの空の向こうがわへ(Back Track)

Recording by Junk Fujiyama.

Recording identifiers

ISRC
JPVI01204530
CopyrightID (CopyrightChains transaction hash)
0xed5d6bdc8fb4531d0cf15a9b9a58c3d4826710c8cbc6352b6fb4ccf8fe80ef09
Copyright registration time
2026-07-07T20:03:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:7ac292442dd1e82c110141b37816e34fcf506137b4bf51fe5cfe91350fcbca92

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.