ISRC JPS809901309

Verified recording

JPS809901309 is “負けず嫌い” by MASTER BULLDOG, registered on the CopyrightChains blockchain with CopyrightID 0xe0bb6bf3cabedc5e658e37f07ee7fcf2ad144dc5558952ceb9508c99d3013abb and independently timestamped in Bitcoin block 960370 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPS809901309.

Recording identifiers

ISRC
JPS809901309
Title
負けず嫌い
Artist
MASTER BULLDOG
CopyrightID (CopyrightChains transaction hash)
0xe0bb6bf3cabedc5e658e37f07ee7fcf2ad144dc5558952ceb9508c99d3013abb

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T08:38:45+00:00
Bitcoin block
960370
Canonical record hash
sha256:93fa920eb6b0e262095672fbc6bdcf8cc7ba394fbcd0e8ff51af039d771078bf
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPS809901309
Bitcoin block existence check
https://blockstream.info/api/block/960370

Full record

Track page: 負けず嫌い · Machine-readable JSON-LD