Pith Number

pith:AY26V3U6

pith:2011:AY26V3U66RBVHHMHTQK26L4WQC

not attested not anchored not stored refs pending

Recognition of Crowd Behavior from Mobile Sensors with Pattern Analysis and Graph Clustering Methods

Daniel Roggen, Dirk Helbing, Gerhard Tr\"oster, Martin Wirz

arxiv:1109.1664 v1 · 2011-09-08 · physics.soc-ph · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AY26V3U66RBVHHMHTQK26L4WQC}

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	2026-05-18T04:13:54.634602Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0635eaee9ef443539d879c15af2f96808dfc0a2b440d8168171280d762049b91

Aliases

arxiv: 1109.1664 · arxiv_version: 1109.1664v1 · doi: 10.48550/arxiv.1109.1664 · pith_short_12: AY26V3U66RBV · pith_short_16: AY26V3U66RBVHHMH · pith_short_8: AY26V3U6

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/AY26V3U66RBVHHMHTQK26L4WQC \
  | 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: 0635eaee9ef443539d879c15af2f96808dfc0a2b440d8168171280d762049b91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1f89056f1fb670248b2d8fb0db7558a154a91fa2a97fcbce6ed61dc25597e17",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2011-09-08T09:06:04Z",
    "title_canon_sha256": "a0e336d8365b55074685323457e6adb0d5bc88473a5624eb707f8ea01435dde4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.1664",
    "kind": "arxiv",
    "version": 1
  }
}