Pith Number

pith:FEKVPFKP

pith:2019:FEKVPFKP43RLJIHLJ6UNDXUSY3

not attested not anchored not stored refs pending

Fast Simulation of Crowd Collision Avoidance

John Charlton, Luis Rene Montana Gonzalez, Paul Richmond, Steve Maddock

arxiv:1908.10107 v1 · 2019-08-27 · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FEKVPFKP43RLJIHLJ6UNDXUSY3}

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	2026-07-04T23:59:53.990307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

291557954fe6e2b4a0eb4fa8d1de92c6f1676aadff6b2ca52cda5a527cc9f606

Aliases

arxiv: 1908.10107 · arxiv_version: 1908.10107v1 · doi: 10.48550/arxiv.1908.10107 · pith_short_12: FEKVPFKP43RL · pith_short_16: FEKVPFKP43RLJIHL · pith_short_8: FEKVPFKP

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/FEKVPFKP43RLJIHLJ6UNDXUSY3 \
  | 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: 291557954fe6e2b4a0eb4fa8d1de92c6f1676aadff6b2ca52cda5a527cc9f606

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba4353e8cacf694d05e3a8e462cf18d82a298a001607399fb1946ba508c388ec",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2019-08-27T09:46:14Z",
    "title_canon_sha256": "7684a2502cf6120f3f15917acd2fddd0dbcd952107225d45c0af40eddc88e62b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.10107",
    "kind": "arxiv",
    "version": 1
  }
}