Pith Number

pith:BFRKW2BX

pith:2019:BFRKW2BXKY3T2JYQDN2XFO6CVF

not attested not anchored not stored refs pending

Journal Name Extraction from Japanese Scientific News Articles

Kyoji Umemura, Masato Kikuchi, Mitsuo Yoshida

arxiv:1906.04655 v1 · 2019-06-11 · cs.CL

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BFRKW2BXKY3T2JYQDN2XFO6CVF}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:43:33.849385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0962ab683756373d27101b7572bbc2a9527c2071cf917b93b8b79155fe13d0ef

Aliases

arxiv: 1906.04655 · arxiv_version: 1906.04655v1 · doi: 10.48550/arxiv.1906.04655 · pith_short_12: BFRKW2BXKY3T · pith_short_16: BFRKW2BXKY3T2JYQ · pith_short_8: BFRKW2BX

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/BFRKW2BXKY3T2JYQDN2XFO6CVF \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 0962ab683756373d27101b7572bbc2a9527c2071cf917b93b8b79155fe13d0ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65924b7483c9ab119265802be0abde42a688114c5bd6104e6512603bdf074ff8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-06-11T15:35:43Z",
    "title_canon_sha256": "c8fac0cb11955789023cde45fcd728c9380db392ec071f4c7bf97ad3e6aa349e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.04655",
    "kind": "arxiv",
    "version": 1
  }
}