Pith Number

pith:ASBI44WZ

pith:2014:ASBI44WZTDXM4DLMBIXLPTDKQT

not attested not anchored not stored refs pending

Entropic forces in a non-equilibrium system: Flocks of birds

Andrea Cavagna, Irene Giardina, Michele Castellana, William Bialek

arxiv:1412.8654 v1 · 2014-12-30 · cond-mat.stat-mech · 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{ASBI44WZTDXM4DLMBIXLPTDKQT}

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	2026-05-18T01:13:16.909677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04828e72d998eece0d6c0a2eb7cc6a84ff1e0c85d5adf3870eee653faec51208

Aliases

arxiv: 1412.8654 · arxiv_version: 1412.8654v1 · doi: 10.48550/arxiv.1412.8654 · pith_short_12: ASBI44WZTDXM · pith_short_16: ASBI44WZTDXM4DLM · pith_short_8: ASBI44WZ

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/ASBI44WZTDXM4DLMBIXLPTDKQT \
  | 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: 04828e72d998eece0d6c0a2eb7cc6a84ff1e0c85d5adf3870eee653faec51208

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9902d7ac0ffdf4a0134a1f6e8aca1891ae5ccf048c437647d48c92a8eded3e0b",
    "cross_cats_sorted": [
      "physics.bio-ph",
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2014-12-30T15:25:50Z",
    "title_canon_sha256": "ef42077e5a7c19938a94aa781c84f44290aae7d59a02ee0bb1c649b9f140ebe5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.8654",
    "kind": "arxiv",
    "version": 1
  }
}