pith. sign in
Pith Number

pith:66Z7P6RN

pith:2014:66Z7P6RNJ4DKEGT5AFEKRXM5RP
not attested not anchored not stored refs pending

Geometry for a `penguin-albatross' rookery

Alberto Vailati, Fabio Giavazzi

arxiv:1405.5514 v1 · 2014-05-20 · q-bio.PE · cond-mat.stat-mech · physics.bio-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{66Z7P6RNJ4DKEGT5AFEKRXM5RP}

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 2026-05-18T02:51:23.828741Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f7b3f7fa2d4f06a21a7d0148a8dd9d8bc3fddb9ec28a8140280365dc0f49dc9e

Aliases

arxiv: 1405.5514 · arxiv_version: 1405.5514v1 · doi: 10.48550/arxiv.1405.5514 · pith_short_12: 66Z7P6RNJ4DK · pith_short_16: 66Z7P6RNJ4DKEGT5 · pith_short_8: 66Z7P6RN
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/66Z7P6RNJ4DKEGT5AFEKRXM5RP \
  | 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: f7b3f7fa2d4f06a21a7d0148a8dd9d8bc3fddb9ec28a8140280365dc0f49dc9e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7216bd6650e8d211366d605f8563235419b9bd832f752d2ce5daf2f523e9ca95",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2014-05-20T08:55:48Z",
    "title_canon_sha256": "fa4306f20509ca6535b120c97463d8982a3708dbe399b35f5ac818190bc1823f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.5514",
    "kind": "arxiv",
    "version": 1
  }
}