key plus words

Recording by 川村ゆみ.

Recording identifiers

ISRC
JPK651669008
CopyrightID (CopyrightChains transaction hash)
0x7b12b10bf4f48e0892ad717eabf81d3814f02b263dd2ec355a00fd4b2fc60ddd
Copyright registration time
2026-06-08T11:23:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:b01410013d4656a933e64d6d721025e95a2ff465802f6ba8c4aaa44feeae969f

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.