出発の歌

Recording by 上條恒彦.

Recording identifiers

ISRC
JPKI07151456
CopyrightID (CopyrightChains transaction hash)
0x6be47d944762a171a8911c467a2f354085d0713bbcd45a6d1cf95980e63c8e63
Copyright registration time
2026-06-20T14:50:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:17367010588c3a3125a848db62fc6638b2090c7948218c643e37fc01f2142c49

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.