Pith Number

pith:NJUZFJHJ

pith:2010:NJUZFJHJI7NEJRBNBYDFYJ2IDG

not attested not anchored not stored refs pending

A probabilistic top-down parser for minimalist grammars

Thomas Mainguy

arxiv:1010.1826 v1 · 2010-10-09 · 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{NJUZFJHJI7NEJRBNBYDFYJ2IDG}

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	2026-05-18T04:39:30.265553Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a6992a4e947da44c42d0e065c2748198e9d591da129a87aa94b530436d2d82c

Aliases

arxiv: 1010.1826 · arxiv_version: 1010.1826v1 · doi: 10.48550/arxiv.1010.1826 · pith_short_12: NJUZFJHJI7NE · pith_short_16: NJUZFJHJI7NEJRBN · pith_short_8: NJUZFJHJ

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/NJUZFJHJI7NEJRBNBYDFYJ2IDG \
  | 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: 6a6992a4e947da44c42d0e065c2748198e9d591da129a87aa94b530436d2d82c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20e1b86aa2219e585823d7cb5a88d43c01eb3ea9040e838979f0138998de96ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2010-10-09T10:09:18Z",
    "title_canon_sha256": "15d47d4ba4b6bddd2672baba56fca3552ae039479ef6218cee624f880ad0b2d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.1826",
    "kind": "arxiv",
    "version": 1
  }
}