はるのきおく

Recording by 小松未歩.

Recording identifiers

ISRC
JPF500601605
CopyrightID (CopyrightChains transaction hash)
0x38cd78120a08b9e4c16a7a6b4ebd6d3551616b3204b7fd9d6013cc536588aaaa
Copyright registration time
2026-07-07T02:20:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:0410f22585ec3e102e2ac6fa575310f2e283bc514b97ff55c57886e6044f42aa

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.