未来への旅【混声三部】

Recording by 佐井孝彰.

Recording identifiers

ISRC
JPU971905019
CopyrightID (CopyrightChains transaction hash)
0xebb18757c0f3f215b4876075f64806c329e3f84c6e45a3bb20e6ca6980cbc5d6
Copyright registration time
2026-07-31T21:42:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T22:27:44Z
Bitcoin block
960473
Canonical record hash
sha256:e45215b4949938e01ee9df63ced14b28735ea9e6fc191a6e7cdb99ddd41bea5b

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.