Recording by 友川かずき.

Recording identifiers

ISRC
JPKI08075734
CopyrightID (CopyrightChains transaction hash)
0x841dd51fa6f9da9901d3c24f656bbea7086dfb9dfac9f6e26d9ad91566c4b3ec
Copyright registration time
2026-07-07T09:13:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:ec52fa5a8a701175fb0fe0728059c9c31e06cadbf39888aebf644284f032d8ba

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.