丘の上の英雄さん

Recording by 西岡恭蔵.

Recording identifiers

ISRC
JPKI07252615
CopyrightID (CopyrightChains transaction hash)
0x476b7d4e7922212a72e052da4d51c137f7a4f2a2f299d58a89fbb4bcb8506c3c
Copyright registration time
2026-07-07T02:50:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:7d16ad8a460d7fb5f019d0fe47e376a1577f75cccfcbdcba7bbbe0922f837a00

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.