いつまでも どこまでも

Recording by Hiroshi Kamayatsu.

Recording identifiers

ISRC
JPFL08900980
CopyrightID (CopyrightChains transaction hash)
0x7fd422af25c10d5342d21eb857192f652f840e9ba687364128687a6cf6b6cadc
Copyright registration time
2026-06-23T23:37:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:1133f3e7793179cabe310e96a3dff24f4fe720e1b36e85d6533433e47f867e33

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.