Pith Number

pith:JA7XDMC3

pith:2018:JA7XDMC3H2NRZ3TKD5YMSLGUXC

not attested not anchored not stored refs pending

Natural Language Processing for Information Extraction

Sonit Singh

arxiv:1807.02383 v1 · 2018-07-06 · 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{JA7XDMC3H2NRZ3TKD5YMSLGUXC}

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	2026-05-18T00:11:22.248286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

483f71b05b3e9b1cee6a1f70c92cd4b8a6f30d8f68b6537cb6e7b697d12ef1cb

Aliases

arxiv: 1807.02383 · arxiv_version: 1807.02383v1 · doi: 10.48550/arxiv.1807.02383 · pith_short_12: JA7XDMC3H2NR · pith_short_16: JA7XDMC3H2NRZ3TK · pith_short_8: JA7XDMC3

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/JA7XDMC3H2NRZ3TKD5YMSLGUXC \
  | 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: 483f71b05b3e9b1cee6a1f70c92cd4b8a6f30d8f68b6537cb6e7b697d12ef1cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c30ea62f46c626632c5b9930f810cb893e0a6e2a6220ea269863fc8252bd9ed4",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-07-06T12:44:31Z",
    "title_canon_sha256": "61f6620c613c9617aab2c35b242715992503d7edf6ebbed038af867cadf1e239"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02383",
    "kind": "arxiv",
    "version": 1
  }
}