Pith Number

pith:7XAUJB2E

pith:2002:7XAUJB2EJB6QMUFWZJYJ65HJTT

not attested not anchored not stored refs pending

Crowd behaves as excitable media during Mexican wave

Dirk Helbing, Illes Farkas, Tamas Vicsek

arxiv:cond-mat/0210073 v1 · 2002-10-03 · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7XAUJB2EJB6QMUFWZJYJ65HJTT}

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	2026-05-18T01:40:02.756562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdc1448744487d0650b6ca709f74e99cf781ae3ca1e88ef79f4b2a5cab4f3f7c

Aliases

arxiv: cond-mat/0210073 · arxiv_version: cond-mat/0210073v1 · doi: 10.48550/arxiv.cond-mat/0210073 · pith_short_12: 7XAUJB2EJB6Q · pith_short_16: 7XAUJB2EJB6QMUFW · pith_short_8: 7XAUJB2E

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/7XAUJB2EJB6QMUFWZJYJ65HJTT \
  | 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: fdc1448744487d0650b6ca709f74e99cf781ae3ca1e88ef79f4b2a5cab4f3f7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7fcc8d2499034bf1466efe5a42bdec6d8fd9bfa43486220b3bc76c9c245a128",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2002-10-03T15:50:32Z",
    "title_canon_sha256": "8a8ad5763d2a2e58942f08e0d6dc02bc6db3eb52db64c0af05956ef60c2f60cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0210073",
    "kind": "arxiv",
    "version": 1
  }
}