Pith Number

pith:TCDLNC6F

pith:2011:TCDLNC6F2MWVC5OYT4KYYBHFWE

not attested not anchored not stored refs pending

Forecasting emergency medical service call arrival rates

David S. Matteson, Dawn B. Woodard, Mathew W. McLean, Shane G. Henderson

arxiv:1107.4919 v1 · 2011-07-25 · 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{TCDLNC6F2MWVC5OYT4KYYBHFWE}

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	2026-05-18T04:16:54.278476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9886b68bc5d32d5175d89f158c04e5b11c26fb64c937f9eb91fcbb63d8dd839c

Aliases

arxiv: 1107.4919 · arxiv_version: 1107.4919v1 · doi: 10.48550/arxiv.1107.4919 · pith_short_12: TCDLNC6F2MWV · pith_short_16: TCDLNC6F2MWVC5OY · pith_short_8: TCDLNC6F

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/TCDLNC6F2MWVC5OYT4KYYBHFWE \
  | 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: 9886b68bc5d32d5175d89f158c04e5b11c26fb64c937f9eb91fcbb63d8dd839c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "724359c0c326b59d4d189393834f6a952acf91093867cf33c8d46dd4a7fd8699",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2011-07-25T12:30:57Z",
    "title_canon_sha256": "0ef24726c88b6eb99df746b10b65b424b6583d9c69319184d990d3fe6f509193"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4919",
    "kind": "arxiv",
    "version": 1
  }
}