Pith Number

pith:AOTFVQZO

pith:2018:AOTFVQZOULLS5P4D37C75EVBQJ

not attested not anchored not stored refs pending

Automated Fact Checking: Task formulations, methods and future directions

Andreas Vlachos, James Thorne

arxiv:1806.07687 v2 · 2018-06-20 · 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{AOTFVQZOULLS5P4D37C75EVBQJ}

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	2026-05-18T00:06:28.534341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03a65ac32ea2d72ebf83dfc5fe92a1826088e066f35bdb765bf14331fdb2594c

Aliases

arxiv: 1806.07687 · arxiv_version: 1806.07687v2 · doi: 10.48550/arxiv.1806.07687 · pith_short_12: AOTFVQZOULLS · pith_short_16: AOTFVQZOULLS5P4D · pith_short_8: AOTFVQZO

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/AOTFVQZOULLS5P4D37C75EVBQJ \
  | 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: 03a65ac32ea2d72ebf83dfc5fe92a1826088e066f35bdb765bf14331fdb2594c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2eb8dbc5b72f25761f1ccc5c43cb8975d1a8b868b92bcaaa23931e408cfa2645",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-06-20T12:13:53Z",
    "title_canon_sha256": "664a2c2b86e0ed1bfe44af9294738ba597ff902e011dceab06444fd8191b4da7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.07687",
    "kind": "arxiv",
    "version": 2
  }
}