Pith Number

pith:HQ72UJSP

pith:2015:HQ72UJSPBSEQCUGGFK5LDGOJIF

not attested not anchored not stored refs pending

The Social Force Model and its Relation to the Kladek Formula

Jochen Lohmiller, Johannes Schlaich, Tobias Kretz

arxiv:1512.01426 v1 · 2015-11-13 · 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{HQ72UJSPBSEQCUGGFK5LDGOJIF}

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	2026-05-18T01:25:16.922876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c3faa264f0c890150c62abab199c9414559dbe5886418eeb6ce6d098c3ff4b3

Aliases

arxiv: 1512.01426 · arxiv_version: 1512.01426v1 · doi: 10.48550/arxiv.1512.01426 · pith_short_12: HQ72UJSPBSEQ · pith_short_16: HQ72UJSPBSEQCUGG · pith_short_8: HQ72UJSP

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/HQ72UJSPBSEQCUGGFK5LDGOJIF \
  | 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: 3c3faa264f0c890150c62abab199c9414559dbe5886418eeb6ce6d098c3ff4b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29bf7a40ef190c6aa2f709e89c863586b301bb4e5ddc3f8d3708281897a3c861",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2015-11-13T08:46:39Z",
    "title_canon_sha256": "f6ee7a9bc59874b33cd1eeba185c59af7dd1f7c19cce4dc2219f01beef8dfb57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.01426",
    "kind": "arxiv",
    "version": 1
  }
}