Pith Number

pith:4PQOQQE6

pith:2019:4PQOQQE6NKJPS5M2SXC6TFREQZ

not attested not anchored not stored refs pending

Using Natural Language Processing to Develop an Automated Orthodontic Diagnostic System

Chenhui Chu, Chihiro Tanikawa, Hajime Nagahara, Takashi Yamashiro, Tomoyuki Kajiwara, Yuujin Shimizu

arxiv:1905.13601 v1 · 2019-05-31 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4PQOQQE6NKJPS5M2SXC6TFREQZ}

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	2026-05-17T23:44:34.455104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3e0e8409e6a92f9759a95c5e996248646068b8304738cb18bf9b2921c18cf74

Aliases

arxiv: 1905.13601 · arxiv_version: 1905.13601v1 · doi: 10.48550/arxiv.1905.13601 · pith_short_12: 4PQOQQE6NKJP · pith_short_16: 4PQOQQE6NKJPS5M2 · pith_short_8: 4PQOQQE6

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/4PQOQQE6NKJPS5M2SXC6TFREQZ \
  | 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: e3e0e8409e6a92f9759a95c5e996248646068b8304738cb18bf9b2921c18cf74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d35c3a6090e2e8d2b257405f4f4d5a1df4d467ab91290a4d5044cdbf64428835",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-05-31T13:13:51Z",
    "title_canon_sha256": "f589e8a74b6942a5308af311d93799258ccfd226c3db90b47d11c43ad1526b69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.13601",
    "kind": "arxiv",
    "version": 1
  }
}