ぼーっとハーモニカ

Recording by 水谷広実.

Recording identifiers

ISRC
JPI101302736
CopyrightID (CopyrightChains transaction hash)
0x78073051b7f76210e50ddf88c0ca5e99d61d1d8a36348e93757ca2031f4a78da
Copyright registration time
2026-06-23T11:07:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:9eaad24f9bf7cb29eba15bd4e649ea667e78436ec020a57c4b186e3530383eaf

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.