pith. sign in
Pith Number

pith:2SBXRV4Q

pith:2018:2SBXRV4QV6PWEU4WP7Y536EUH7
not attested not anchored not stored refs pending

LexNLP: Natural language processing and information extraction for legal and regulatory texts

Daniel Martin Katz, Eric M Detterman, Michael J Bommarito II

arxiv:1806.03688 v1 · 2018-06-10 · cs.CL · cs.IR · stat.ML

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{2SBXRV4QV6PWEU4WP7Y536EUH7}

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 2026-05-18T00:13:42.387443Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d48378d790af9f6253967ff1ddf8943ff4c28cd4cf149eb5b392817a5e210dbd

Aliases

arxiv: 1806.03688 · arxiv_version: 1806.03688v1 · doi: 10.48550/arxiv.1806.03688 · pith_short_12: 2SBXRV4QV6PW · pith_short_16: 2SBXRV4QV6PWEU4W · pith_short_8: 2SBXRV4Q
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/2SBXRV4QV6PWEU4WP7Y536EUH7 \
  | 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: d48378d790af9f6253967ff1ddf8943ff4c28cd4cf149eb5b392817a5e210dbd
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "362d702e21bfffcdc707cfe6e7ab4d9b6b1608c77a3c50d11504786e4427026d",
    "cross_cats_sorted": [
      "cs.IR",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-06-10T16:55:40Z",
    "title_canon_sha256": "c96a35f85b855deb54fec26ace6e6da185d78bbfb7500372fd48e0e240898ad8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.03688",
    "kind": "arxiv",
    "version": 1
  }
}