永遠の宇宙へ

Recording by 五年生.

Recording identifiers

ISRC
JP92E2301185
CopyrightID (CopyrightChains transaction hash)
0xc263715e7d105956df62bc2e792b8893d77acb04253f909d2c057af56abadf58
Copyright registration time
2026-06-18T08:47:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:5c3509edefd01271a450ab8928fc4e9d33ba5017b141877f2a5bc8a2e12fcf28

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.