我が良き友よ

Recording by Hiroshi Kamayatsu.

Recording identifiers

ISRC
JPTO07513520
CopyrightID (CopyrightChains transaction hash)
0x80333869e99cc20ccc3ca9b19089ec7164027caf842a30d922579c9e366c7cd3
Copyright registration time
2026-06-05T06:22:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:0076da6ca9f80ae019563b3f5a385c44aa9b6bf62d934ccf16b5c967b9fa3e61

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.