線路はつづくよ どこまでも

Recording by ひばり児童合唱団.

Recording identifiers

ISRC
JPKI09039030
CopyrightID (CopyrightChains transaction hash)
0x2f94a43ce96fb27c3ac555c190dc01e36551cecc483f989948aaa41c2b7e6bb3
Copyright registration time
2026-06-25T18:08:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T11:38:34Z
Bitcoin block
956351
Canonical record hash
sha256:fe5433f83d0a449c64fbfb9c87793dd85df094a20697bc4c2b0ed278ac278b21

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.