Pith Number

pith:JIS7BNZV

pith:2010:JIS7BNZVFWCYGRYXA3EVFCHZDW

not attested not anchored not stored refs pending

Hierarchical group dynamics in pigeon flocks

Dora Biro, Mate Nagy, Tamas Vicsek, Zsuzsa Akos

arxiv:1010.5394 v1 · 2010-10-26 · physics.bio-ph · nlin.AO · q-bio.OT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JIS7BNZVFWCYGRYXA3EVFCHZDW}

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	2026-05-18T04:38:38.853495Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a25f0b7352d8583471706c95288f91d9a902a3dfd2f8c2d4ea0dd79b5c6f837

Aliases

arxiv: 1010.5394 · arxiv_version: 1010.5394v1 · doi: 10.48550/arxiv.1010.5394 · pith_short_12: JIS7BNZVFWCY · pith_short_16: JIS7BNZVFWCYGRYX · pith_short_8: JIS7BNZV

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/JIS7BNZVFWCYGRYXA3EVFCHZDW \
  | 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: 4a25f0b7352d8583471706c95288f91d9a902a3dfd2f8c2d4ea0dd79b5c6f837

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0dadef4650aea54be300559a125371bd67e99be717edcf7414878edea7afdb01",
    "cross_cats_sorted": [
      "nlin.AO",
      "q-bio.OT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2010-10-26T13:45:55Z",
    "title_canon_sha256": "6850c9d904594357f4e82c2562bf6806f7b94e11ccb4a1dfc1c2e0d6d1ed4743"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.5394",
    "kind": "arxiv",
    "version": 1
  }
}