Pith Number

pith:NN3OFWAM

pith:2015:NN3OFWAMA4QHERIG4WF2EWBXPH

not attested not anchored not stored refs pending

Food web assembly rules

Jan O. Haerter, Kim Sneppen, Namiko Mitarai

arxiv:1501.04497 v2 · 2015-01-19 · 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{NN3OFWAMA4QHERIG4WF2EWBXPH}

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	2026-05-18T01:46:13.688761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b76e2d80c0720724506e58ba2583779dd94c1baf27fa58a6af9410724e71f8f

Aliases

arxiv: 1501.04497 · arxiv_version: 1501.04497v2 · doi: 10.48550/arxiv.1501.04497 · pith_short_12: NN3OFWAMA4QH · pith_short_16: NN3OFWAMA4QHERIG · pith_short_8: NN3OFWAM

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/NN3OFWAMA4QHERIG4WF2EWBXPH \
  | 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: 6b76e2d80c0720724506e58ba2583779dd94c1baf27fa58a6af9410724e71f8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee78e0c079927e347f67171af87eac71b96321cb0ddeca0fdc7c151c9a35c328",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2015-01-19T14:07:18Z",
    "title_canon_sha256": "f5ff2d27f3f04582ba59baf59996e0519f3f583430a60ec79c1f00fb3970f280"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04497",
    "kind": "arxiv",
    "version": 2
  }
}