琴姬

Recording by 城之内美莎.

Recording identifiers

ISRC
JPJ831704507
CopyrightID (CopyrightChains transaction hash)
0x00febbccb0fd05f44cea082a0178c78f08bb1ce3f3bb9fb4a1b93bf1851c6c34
Copyright registration time
2026-07-08T00:29:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:2b34aff874542374b0be3256ee7a7c8bf8c0fd2df6ad1d3a2206ba05225996b1

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.