永遠の宇宙へ (Instrumental ver.)

Recording by 五年生.

Recording identifiers

ISRC
JP92E2301187
CopyrightID (CopyrightChains transaction hash)
0x474ea4f79da4faf2ba4ba0bb3c4beb2325e5532776e64b0ba97d7afeea34e1cf
Copyright registration time
2026-07-31T03:22:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T04:14:58Z
Bitcoin block
960344
Canonical record hash
sha256:cfd0cde928f2c76da174b100d8bc1f88ea2a5b5af1fa94ba62d63d4d14e77da6

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.