Pith Number

pith:W4YAIUKN

pith:2018:W4YAIUKNJXLUEYDNJVGRHNIG5M

not attested not anchored not stored refs pending

Scalable high-resolution forecasting of sparse spatiotemporal events with kernel methods: a winning solution to the NIJ "Real-Time Crime Forecasting Challenge"

Charles Loeffler, Michael Chirico, Pau Pereira, Seth Flaxman

arxiv:1801.02858 v4 · 2018-01-09 · stat.ML · 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{W4YAIUKNJXLUEYDNJVGRHNIG5M}

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	2026-05-17T23:39:41.986390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b73004514d4dd742606d4d4d13b506eb2a3929d021df83f4e30b40494d192172

Aliases

arxiv: 1801.02858 · arxiv_version: 1801.02858v4 · doi: 10.48550/arxiv.1801.02858 · pith_short_12: W4YAIUKNJXLU · pith_short_16: W4YAIUKNJXLUEYDN · pith_short_8: W4YAIUKN

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/W4YAIUKNJXLUEYDNJVGRHNIG5M \
  | 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: b73004514d4dd742606d4d4d13b506eb2a3929d021df83f4e30b40494d192172

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8133ea1b6f045de43548c2a9670b6cee7d0e7915344d7b77e546081aa0f9db3c",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-01-09T10:04:17Z",
    "title_canon_sha256": "73a55fc98ae21a707b2eb9713dd0b2f2057d1a57a431a5bd9d7d4454f0237aeb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.02858",
    "kind": "arxiv",
    "version": 4
  }
}