Pith Number

pith:DBTVZW43

pith:2018:DBTVZW434JWUSDE5UOMROTGIHP

not attested not anchored not stored refs pending

From local collective behavior to global migratory patterns in white storks

Andrea Flack, Iain D. Couzin, Martin Wikelski, Mate Nagy, Wolfgang Fiedler

arxiv:1807.05778 v1 · 2018-07-16 · physics.bio-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DBTVZW434JWUSDE5UOMROTGIHP}

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	2026-05-18T00:10:42.561040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18675cdb9be26d490c9da399174cc83bf4dc597ca20c3b8c952136018be7218d

Aliases

arxiv: 1807.05778 · arxiv_version: 1807.05778v1 · doi: 10.48550/arxiv.1807.05778 · pith_short_12: DBTVZW434JWU · pith_short_16: DBTVZW434JWUSDE5 · pith_short_8: DBTVZW43

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/DBTVZW434JWUSDE5UOMROTGIHP \
  | 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: 18675cdb9be26d490c9da399174cc83bf4dc597ca20c3b8c952136018be7218d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fbaf320b5e974d11d7505b8096c5298846715865d42a04d8e0012eee133b23f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2018-07-16T10:39:53Z",
    "title_canon_sha256": "708ec920f159b846e44ec9b7e7c079704ad646ab800e6aec1a5f929235534ae2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.05778",
    "kind": "arxiv",
    "version": 1
  }
}