Pith Number

pith:VVIYHCWU

pith:2011:VVIYHCWUIBS5PJJVE3DKK7OPKG

not attested not anchored not stored refs pending

Demographic noise can lead to the spontaneous formation of species

Alan J. McKane, Axel G. Rossberg, Tim Rogers

arxiv:1111.1152 v2 · 2011-11-04 · q-bio.PE · cond-mat.stat-mech · 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{VVIYHCWUIBS5PJJVE3DKK7OPKG}

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	2026-05-18T03:55:37.326502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad51838ad44065d7a53526c6a57dcf51b799d83c41078fdb3826842097b5281f

Aliases

arxiv: 1111.1152 · arxiv_version: 1111.1152v2 · doi: 10.48550/arxiv.1111.1152 · pith_short_12: VVIYHCWUIBS5 · pith_short_16: VVIYHCWUIBS5PJJV · pith_short_8: VVIYHCWU

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/VVIYHCWUIBS5PJJVE3DKK7OPKG \
  | 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: ad51838ad44065d7a53526c6a57dcf51b799d83c41078fdb3826842097b5281f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1581d7254b1ae4d1742a1be795fb5c13fabe250cd580ddf01b703e7fcfca6697",
    "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": "2011-11-04T15:24:35Z",
    "title_canon_sha256": "96f6b933a7b2dc57d5691e2e8d8638687e3547ffc22235e9e1c2fc4e99ba83d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.1152",
    "kind": "arxiv",
    "version": 2
  }
}