旅立ちの日に - 合唱ヴァージョン

Recording by Tomotaka Okamoto.

Recording identifiers

ISRC
JPPO00523800
CopyrightID (CopyrightChains transaction hash)
0x0b1ca0849852270198b20fa987c93424e70cd179acfe274e88ae36f68c5769d5
Copyright registration time
2026-07-07T16:03:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:2589010282ae3cf04ec8c875789bfd02895d227e0959e1762e7e85c391e288f4

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.