Pith Number

pith:FKANR7WM

pith:2016:FKANR7WMIOF5LBIBJ3WWHRVK5G

not attested not anchored not stored refs pending

Predicting Ambulance Demand: Challenges and Methods

Zhengyi Zhou

arxiv:1606.05363 v1 · 2016-06-16 · stat.ML · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FKANR7WMIOF5LBIBJ3WWHRVK5G}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:12:20.287995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a80d8fecc438bd585014eed63c6aae999fee0a4d7e46341ce2f02f330cecf10

Aliases

arxiv: 1606.05363 · arxiv_version: 1606.05363v1 · doi: 10.48550/arxiv.1606.05363 · pith_short_12: FKANR7WMIOF5 · pith_short_16: FKANR7WMIOF5LBIB · pith_short_8: FKANR7WM

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/FKANR7WMIOF5LBIBJ3WWHRVK5G \
  | 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: 2a80d8fecc438bd585014eed63c6aae999fee0a4d7e46341ce2f02f330cecf10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67dfe7c7cf184a3fb57c08be58e5fd04962f357074211fb4b80f1c4aed41e956",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2016-06-16T20:25:47Z",
    "title_canon_sha256": "e1173a2ba026ef654289756082dffb94771c4eab926d52df1214cd2c032f17dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.05363",
    "kind": "arxiv",
    "version": 1
  }
}