Pith Number

pith:SEXUIK7N

pith:2015:SEXUIK7NN3HACDINJAJTXSNI4M

not attested not anchored not stored refs pending

The Inflection Point of the Speed-Density Relation and the Social Force Model

Jochen Lohmiller, Johannes Schlaich, Tobias Kretz

arxiv:1507.04935 v1 · 2015-07-17 · physics.soc-ph · cs.MA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SEXUIK7NN3HACDINJAJTXSNI4M}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:36:42.365068Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

912f442bed6ece010d0d48133bc9a8e321ce42b551643150b1b9808f2c631758

Aliases

arxiv: 1507.04935 · arxiv_version: 1507.04935v1 · doi: 10.48550/arxiv.1507.04935 · pith_short_12: SEXUIK7NN3HA · pith_short_16: SEXUIK7NN3HACDIN · pith_short_8: SEXUIK7N

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/SEXUIK7NN3HACDINJAJTXSNI4M \
  | 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: 912f442bed6ece010d0d48133bc9a8e321ce42b551643150b1b9808f2c631758

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6321c5df9a897a453252184fce6d007b593cfdf791513dfd92fd277a09bdc5bf",
    "cross_cats_sorted": [
      "cs.MA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2015-07-17T11:53:34Z",
    "title_canon_sha256": "0d722e15c39b6e1b3c779c8a3c5122f6b0c5e6577e97ff6e62d7f9c1600e3a1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.04935",
    "kind": "arxiv",
    "version": 1
  }
}