Pith Number

pith:LPL4NVT2

pith:2018:LPL4NVT2CH2OM6XYZJPQ5ON2FG

not attested not anchored not stored refs pending

Examining effect of architectural adjustment on pedestrian crowd flow at bottleneck

Dounan Tang, Junkai Lin, Nirajan Shiwakoti, Xiaomeng Shi, Zhirui Ye

arxiv:1808.07439 v1 · 2018-08-22 · 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{LPL4NVT2CH2OM6XYZJPQ5ON2FG}

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	2026-05-17T23:50:24.322432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5bd7c6d67a11f4e67af8ca5f0eb9ba2994fdb115619bb50abc45463443c67683

Aliases

arxiv: 1808.07439 · arxiv_version: 1808.07439v1 · doi: 10.48550/arxiv.1808.07439 · pith_short_12: LPL4NVT2CH2O · pith_short_16: LPL4NVT2CH2OM6XY · pith_short_8: LPL4NVT2

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/LPL4NVT2CH2OM6XYZJPQ5ON2FG \
  | 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: 5bd7c6d67a11f4e67af8ca5f0eb9ba2994fdb115619bb50abc45463443c67683

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00aa352722ca494c623613a6320f418c7854adc148fa9a2ba67ad1ca9b4ff14c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2018-08-22T17:01:45Z",
    "title_canon_sha256": "4a8650d7fbcebe715e3032bfbad407188713cc72840bada0f96ead084fe078bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.07439",
    "kind": "arxiv",
    "version": 1
  }
}