Pith Number

pith:LLZNB2XY

pith:2013:LLZNB2XYGCWEX2MJT4Q43HSCBH

not attested not anchored not stored refs pending

Probabilistic Frame Induction

Hoifung Poon, Jackie Chi Kit Cheung, Lucy Vanderwende

arxiv:1302.4813 v1 · 2013-02-20 · 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{LLZNB2XYGCWEX2MJT4Q43HSCBH}

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	2026-05-18T03:33:10.969084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5af2d0eaf830ac4be9899f21cd9e4209d2b99e33f7ce1e14dbf466b5844e28b4

Aliases

arxiv: 1302.4813 · arxiv_version: 1302.4813v1 · doi: 10.48550/arxiv.1302.4813 · pith_short_12: LLZNB2XYGCWE · pith_short_16: LLZNB2XYGCWEX2MJ · pith_short_8: LLZNB2XY

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/LLZNB2XYGCWEX2MJT4Q43HSCBH \
  | 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: 5af2d0eaf830ac4be9899f21cd9e4209d2b99e33f7ce1e14dbf466b5844e28b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e46824916d27aad3ba88cb2880b079cf27fbb9624d72e1e28abb1dceab982f10",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2013-02-20T05:47:32Z",
    "title_canon_sha256": "7afc821f89685009f1953c05305bc7e80853afc2c218ec1a0ca896130387219e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.4813",
    "kind": "arxiv",
    "version": 1
  }
}