Pith Number

pith:IQB4LYSD

pith:2014:IQB4LYSDFW7KRWNZKLYPDWOYLC

not attested not anchored not stored refs pending

Discussion of "Estimating the historical and future probabilities of large terrorist event" by Aaron Clauset and Ryan Woodard

Brian J. Reich, Michael D. Porter

arxiv:1401.2298 v1 · 2014-01-10 · stat.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IQB4LYSDFW7KRWNZKLYPDWOYLC}

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	2026-05-18T03:02:45.738885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4403c5e2432dbea8d9b952f0f1d9d858af71d9105265a5871d8b90c51f8dc6d1

Aliases

arxiv: 1401.2298 · arxiv_version: 1401.2298v1 · doi: 10.48550/arxiv.1401.2298 · pith_short_12: IQB4LYSDFW7K · pith_short_16: IQB4LYSDFW7KRWNZ · pith_short_8: IQB4LYSD

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/IQB4LYSDFW7KRWNZKLYPDWOYLC \
  | 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: 4403c5e2432dbea8d9b952f0f1d9d858af71d9105265a5871d8b90c51f8dc6d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ad46e23371fbe85298e7cda4def8904a75fbb20ad28d32f5726fab7a6f415db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2014-01-10T12:06:48Z",
    "title_canon_sha256": "e8713ee9eb190704e94d20621f431d9d5b94c81eb122669f0ed04c2f49b63f46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.2298",
    "kind": "arxiv",
    "version": 1
  }
}