Pith Number

pith:E6CMUXYN

pith:2012:E6CMUXYNZZV3NJELPLZYUSXVNA

not attested not anchored not stored refs pending

A Model-Driven Probabilistic Parser Generator

Fernando Berzal, Francisco J. Cortijo, Luis Quesada

arxiv:1205.3183 v1 · 2012-05-14 · 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{E6CMUXYNZZV3NJELPLZYUSXVNA}

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	2026-05-18T03:55:36.709064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2784ca5f0dce6bb6a48b7af38a4af5682df3b4bb90c65488a04c5e385cb64b7d

Aliases

arxiv: 1205.3183 · arxiv_version: 1205.3183v1 · doi: 10.48550/arxiv.1205.3183 · pith_short_12: E6CMUXYNZZV3 · pith_short_16: E6CMUXYNZZV3NJEL · pith_short_8: E6CMUXYN

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/E6CMUXYNZZV3NJELPLZYUSXVNA \
  | 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: 2784ca5f0dce6bb6a48b7af38a4af5682df3b4bb90c65488a04c5e385cb64b7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de5708e548adf06362e65f858cdd5424eb3ed473ebc8983008127fc66c2ef854",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2012-05-14T20:12:06Z",
    "title_canon_sha256": "32179ea2ef90e05f82c28d8ce91396b24d17b02e606df49388b7463b1ebc65ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.3183",
    "kind": "arxiv",
    "version": 1
  }
}