ISRC JPVI08401090
Verified recording
JPVI08401090 is “13日の金曜日” by Kyoko Koizumi,
registered on the CopyrightChains blockchain with CopyrightID
0x52e6895aa1c1cdb30c18780b2eeacda43ba8f517ea2c0f51f412c2601cdd2b46 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI08401090.
Recording identifiers
- ISRC
- JPVI08401090
- Title
- 13日の金曜日
- Artist
- Kyoko Koizumi
- CopyrightID (CopyrightChains transaction hash)
0x52e6895aa1c1cdb30c18780b2eeacda43ba8f517ea2c0f51f412c2601cdd2b46
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:752c29db1dbfd5828a11bba64688aed172517ca07fc282a1c9686baffb1a0206- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI08401090
- Bitcoin block existence check
- https://blockstream.info/api/block/957118