君に届くかな?

Recording by Kyoko Koizumi.

Recording identifiers

ISRC
JPVI09109580
CopyrightID (CopyrightChains transaction hash)
0x2805dbcb56889c8eb0a1018fe8a82f2e636fe231183d80b0d4239f6e3e548e38
Copyright registration time
2026-07-31T20:42:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T21:25:57Z
Bitcoin block
960468
Canonical record hash
sha256:5c859961f5f1469edf085ab5f250d76bd77347d5b75a0d7add32a3f23c254de3

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.