Pith Number

pith:7PYHEXL6

pith:2020:7PYHEXL6JHF2ZNPKQZKXZ7DAWB

not attested not anchored not stored refs pending

CrowdEst: A Method for Estimating (and not Simulating) Crowd Evacuation Parameters in Generic Environments

Estevso Testa, Rodrigo C. Barros, Soraia Raupp Musse

arxiv:2010.00004 v1 · 2020-09-30 · cs.MA · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7PYHEXL6JHF2ZNPKQZKXZ7DAWB}

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	2026-07-05T01:39:29.550387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbf0725d7e49cbacb5ea86557cfc60b06e3742883b1db1f9963885f57a1ebdaf

Aliases

arxiv: 2010.00004 · arxiv_version: 2010.00004v1 · doi: 10.48550/arxiv.2010.00004 · pith_short_12: 7PYHEXL6JHF2 · pith_short_16: 7PYHEXL6JHF2ZNPK · pith_short_8: 7PYHEXL6

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/7PYHEXL6JHF2ZNPKQZKXZ7DAWB \
  | 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: fbf0725d7e49cbacb5ea86557cfc60b06e3742883b1db1f9963885f57a1ebdaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32e6d10e1959bcefa69840179cd84e4c0ba3089e3780a3360eff636f37bc26c2",
    "cross_cats_sorted": [
      "cs.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MA",
    "submitted_at": "2020-09-30T14:42:45Z",
    "title_canon_sha256": "7cf2aac825dac85b683b1d5d78cbeb05ebaefdfcd7286220a4b64b6fa6abaab9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.00004",
    "kind": "arxiv",
    "version": 1
  }
}