Pith Number

pith:EH6AO2G6

pith:2018:EH6AO2G63DJ6VFDOZ2Q2OFCRN2

not attested not anchored not stored refs pending

Graphene: Semantically-Linked Propositions in Open Information Extraction

Andr\'e Freitas, Christina Niklaus, Matthias Cetto, Siegfried Handschuh

arxiv:1807.11276 v1 · 2018-07-30 · 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{EH6AO2G63DJ6VFDOZ2Q2OFCRN2}

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	2026-05-18T00:09:32.417365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21fc0768ded8d3ea946ecea1a714516eb28fc9350ea6a386a3e045b641936105

Aliases

arxiv: 1807.11276 · arxiv_version: 1807.11276v1 · doi: 10.48550/arxiv.1807.11276 · pith_short_12: EH6AO2G63DJ6 · pith_short_16: EH6AO2G63DJ6VFDO · pith_short_8: EH6AO2G6

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/EH6AO2G63DJ6VFDOZ2Q2OFCRN2 \
  | 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: 21fc0768ded8d3ea946ecea1a714516eb28fc9350ea6a386a3e045b641936105

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3be56d39c5e0e260c9dc7d6163f463590a56524dee230e756872e8dceb7d0bb8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-07-30T10:31:52Z",
    "title_canon_sha256": "db9bd7d3d82749ae4f1fcceff42ff5416eaf0e007ea5d4671434910b5142ee00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.11276",
    "kind": "arxiv",
    "version": 1
  }
}