Pith Number

pith:BJMAXNH7

pith:2009:BJMAXNH7F33NEGBBEZEPVZF2RV

not attested not anchored not stored refs pending

Robust ecological pattern formation induced by demographic noise

Nigel Goldenfeld, Thomas Butler

arxiv:0906.5535 v3 · 2009-06-30 · q-bio.PE · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BJMAXNH7F33NEGBBEZEPVZF2RV}

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	2026-05-18T02:13:11.745386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a580bb4ff2ef6d218212648fae4ba8d7c8b13543317ef96b87baae7400b838c

Aliases

arxiv: 0906.5535 · arxiv_version: 0906.5535v3 · doi: 10.48550/arxiv.0906.5535 · pith_short_12: BJMAXNH7F33N · pith_short_16: BJMAXNH7F33NEGBB · pith_short_8: BJMAXNH7

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/BJMAXNH7F33NEGBBEZEPVZF2RV \
  | 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: 0a580bb4ff2ef6d218212648fae4ba8d7c8b13543317ef96b87baae7400b838c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fbbbfdb913496a1ffd7c03a00a87f3d51d8c5af96c1e70246af48f75c8a2b1e",
    "cross_cats_sorted": [
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2009-06-30T14:12:21Z",
    "title_canon_sha256": "8d6a8031ec022406465b856a8bcbc4e1139225d79795644b7beb95122418cef7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.5535",
    "kind": "arxiv",
    "version": 3
  }
}