Pith Number

pith:WKX2ZKPY

pith:2020:WKX2ZKPYPLUDVIJ6COESHAYXWB

not attested not anchored not stored refs pending

Information Extraction based on Named Entity for Tourism Corpus

Aphisit Tunsakul, Chantana Chantrapornchai

arxiv:2001.01588 v1 · 2020-01-03 · cs.CL · cs.AI · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WKX2ZKPYPLUDVIJ6COESHAYXWB}

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	2026-07-05T00:29:48.204542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2afaca9f87ae83aa13e1389238317b06f709258a7e16ff21cd1ebfb0c5119bf

Aliases

arxiv: 2001.01588 · arxiv_version: 2001.01588v1 · doi: 10.48550/arxiv.2001.01588 · pith_short_12: WKX2ZKPYPLUD · pith_short_16: WKX2ZKPYPLUDVIJ6 · pith_short_8: WKX2ZKPY

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/WKX2ZKPYPLUDVIJ6COESHAYXWB \
  | 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: b2afaca9f87ae83aa13e1389238317b06f709258a7e16ff21cd1ebfb0c5119bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "169a7be3258136435d20ffbdc99646bc135b156440f4d6d26320202242ce0c88",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-01-03T17:16:28Z",
    "title_canon_sha256": "d4feb37f666394ad5904af438b94c4c5f63b3b14baeb6c20fcf729f0a4efa49d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.01588",
    "kind": "arxiv",
    "version": 1
  }
}