Pith Number

pith:O4MS3RWU

pith:2019:O4MS3RWULROC3UNIKR6IWSOZ4E

not attested not anchored not stored refs pending

Modelling honey bee colonies in winter using a Keller-Segel model with a sign-changing chemotactic coefficient

Arjen Doelman, Frank van Langevelde, Robbin Bastiaansen, Vivi Rottsch\"afer

arxiv:1902.08395 v1 · 2019-02-22 · q-bio.PE · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O4MS3RWULROC3UNIKR6IWSOZ4E}

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	2026-05-17T23:52:57.374371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77192dc6d45c5c2dd1a8547c8b49d9e134d6d74cf2542e3cec537d2ab9da0f41

Aliases

arxiv: 1902.08395 · arxiv_version: 1902.08395v1 · doi: 10.48550/arxiv.1902.08395 · pith_short_12: O4MS3RWULROC · pith_short_16: O4MS3RWULROC3UNI · pith_short_8: O4MS3RWU

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/O4MS3RWULROC3UNIKR6IWSOZ4E \
  | 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: 77192dc6d45c5c2dd1a8547c8b49d9e134d6d74cf2542e3cec537d2ab9da0f41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5523b471658b00345f48b8551f40ffa0f17a2c5d47bff2b7e6f77b68248ef2dc",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2019-02-22T08:27:57Z",
    "title_canon_sha256": "4e8f4db8d228a01e2cefb9323eb59fd739a3f7f2e76c79325760dd912a4547c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08395",
    "kind": "arxiv",
    "version": 1
  }
}