Pith Number

pith:4D3JN3UJ

pith:2021:4D3JN3UJLISIEVHQUTFYSJVNLW

not attested not anchored not stored refs pending

Flocking: Influence of Metric Versus Topological Interactions

Rumi De, Vijay Kumar

arxiv:2109.10088 v1 · 2021-09-21 · physics.bio-ph · cond-mat.stat-mech · nlin.AO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4D3JN3UJLISIEVHQUTFYSJVNLW}

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	2026-07-05T08:25:46.799725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0f696ee895a248254f0a4cb8926ad5d9c1de23081e5e97f88149acfbe7c15f1

Aliases

arxiv: 2109.10088 · arxiv_version: 2109.10088v1 · doi: 10.48550/arxiv.2109.10088 · pith_short_12: 4D3JN3UJLISI · pith_short_16: 4D3JN3UJLISIEVHQ · pith_short_8: 4D3JN3UJ

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/4D3JN3UJLISIEVHQUTFYSJVNLW \
  | 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: e0f696ee895a248254f0a4cb8926ad5d9c1de23081e5e97f88149acfbe7c15f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd32146307b90627640275f5d6bbb51fb6068ad99964c380e5a4dc8943f2a512",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "nlin.AO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2021-09-21T10:47:13Z",
    "title_canon_sha256": "ed530f1f8a9169d4a5f2564ddb3fbc2fb1fb9f7f07ed2bf13b48ac6b4e60e36c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.10088",
    "kind": "arxiv",
    "version": 1
  }
}