Pith Number

pith:33QKKJML

pith:2015:33QKKJML5U4PAVSRNUZXRRKHYE

not attested not anchored not stored refs pending

Evacuation time estimate for a total pedestrian evacuation using queuing network model and volunteered geographic information

Anders Johansson, Bharat Kunwar, Filippo Simini

arxiv:1512.03087 v1 · 2015-10-08 · physics.soc-ph · cs.MA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{33QKKJML5U4PAVSRNUZXRRKHYE}

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	2026-05-18T01:09:55.088752Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dee0a5258bed38f056516d3378c547c127ed721b288ad530e7a86561372f5bf8

Aliases

arxiv: 1512.03087 · arxiv_version: 1512.03087v1 · doi: 10.48550/arxiv.1512.03087 · pith_short_12: 33QKKJML5U4P · pith_short_16: 33QKKJML5U4PAVSR · pith_short_8: 33QKKJML

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/33QKKJML5U4PAVSRNUZXRRKHYE \
  | 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: dee0a5258bed38f056516d3378c547c127ed721b288ad530e7a86561372f5bf8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63f44581b2e6e9fa274b809db9949a8e1d1f4760449aa175aa41c62b5d3647e3",
    "cross_cats_sorted": [
      "cs.MA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2015-10-08T14:14:44Z",
    "title_canon_sha256": "45372c40733c205376746b905c64ce82f65ad7552aadd41039053172e9bfb069"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.03087",
    "kind": "arxiv",
    "version": 1
  }
}