Pith Number

pith:UVG6PCDF

pith:2013:UVG6PCDFE5FXZW4SRR5NN3M7LZ

not attested not anchored not stored refs pending

Collective foraging in heterogeneous landscapes

Kunal Bhattacharya, Tam\'as Vicsek

arxiv:1311.2169 v1 · 2013-11-09 · physics.bio-ph · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UVG6PCDFE5FXZW4SRR5NN3M7LZ}

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	2026-05-18T03:07:33.336120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a54de78865274b7cdb928c7ad6ed9f5e44b7e2e58aaced811c5dd35c73c4fab7

Aliases

arxiv: 1311.2169 · arxiv_version: 1311.2169v1 · doi: 10.48550/arxiv.1311.2169 · pith_short_12: UVG6PCDFE5FX · pith_short_16: UVG6PCDFE5FXZW4S · pith_short_8: UVG6PCDF

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/UVG6PCDFE5FXZW4SRR5NN3M7LZ \
  | 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: a54de78865274b7cdb928c7ad6ed9f5e44b7e2e58aaced811c5dd35c73c4fab7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbdb48679fb78708ee1dd3f426047b525ca43c1d8d2ff82698ee028857343b6d",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2013-11-09T13:53:06Z",
    "title_canon_sha256": "ca406a8d53be722da669b008bdb4216467a1db5a56ee5a60495e176865736ef5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.2169",
    "kind": "arxiv",
    "version": 1
  }
}