Pith Number

pith:7XN5CGHE

pith:2009:7XN5CGHECAB4VRFWRE4K5IWJUW

not attested not anchored not stored refs pending

Context-dependent interaction leads to emergent search behavior in social aggregates

Colin Torney, Iain D. Couzin, Zoltan Neufeld

arxiv:0909.3829 v1 · 2009-09-21 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7XN5CGHECAB4VRFWRE4K5IWJUW}

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	2026-05-18T02:11:45.656206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fddbd118e41003cac4b68938aea2c9a599a76fb1b730444968f64bbb5b440303

Aliases

arxiv: 0909.3829 · arxiv_version: 0909.3829v1 · doi: 10.48550/arxiv.0909.3829 · pith_short_12: 7XN5CGHECAB4 · pith_short_16: 7XN5CGHECAB4VRFW · pith_short_8: 7XN5CGHE

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/7XN5CGHECAB4VRFWRE4K5IWJUW \
  | 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: fddbd118e41003cac4b68938aea2c9a599a76fb1b730444968f64bbb5b440303

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b09a260e7e12a810b49d9aadc578dcb475e980ef666ba6ebfd8681867678dd4",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2009-09-21T18:18:01Z",
    "title_canon_sha256": "d615ce635698a7325be8470c1f8d3bfbe6ce903e4ce74382810fb611f91f3de8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.3829",
    "kind": "arxiv",
    "version": 1
  }
}