Pith Number

pith:LIH6MXCD

pith:2024:LIH6MXCDN2XQJQ32LVYYEN6YAM

not attested not anchored not stored refs pending

Characterizing pedestrian contact interaction trajectories to understand spreading risk in human crowds

Jaeyoung Kwak, Michael H. Lees, Wentong Cai

arxiv:2401.02121 v2 · 2024-01-04 · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LIH6MXCDN2XQJQ32LVYYEN6YAM}

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	2026-07-05T08:40:11.982603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a0fe65c436eaf04c37a5d718237d803326da074204ada03e2bf08f0741c2af0

Aliases

arxiv: 2401.02121 · arxiv_version: 2401.02121v2 · doi: 10.48550/arxiv.2401.02121 · pith_short_12: LIH6MXCDN2XQ · pith_short_16: LIH6MXCDN2XQJQ32 · pith_short_8: LIH6MXCD

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/LIH6MXCDN2XQJQ32LVYYEN6YAM \
  | 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: 5a0fe65c436eaf04c37a5d718237d803326da074204ada03e2bf08f0741c2af0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41514d9287c7c4381692f5305363ad31b2f16cd76c05cab1469359f1b13c2fb1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2024-01-04T08:07:58Z",
    "title_canon_sha256": "cb1841442582b41ca0d7876185f3c1424f727bc54667eb3c66de907c7bb151f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.02121",
    "kind": "arxiv",
    "version": 2
  }
}