Pith Number

pith:NTG4PKBU

pith:2010:NTG4PKBUOOPSVLV54YUKMS2XH4

not attested not anchored not stored refs pending

Population Dynamics on Complex Food Webs

(2) ISC-CNR Dip. Fisica Universita' Sapienza Rome Italy, 3), (3) Theor. Phys. Div., Antonio Scala (2), Environmental Studies, Gian Marco Palamara (1), Guido Caldarelli (2) ((1) Institute of Evolutionary Biology, Rudjer Boskovic Institute, University of Zurich, Vinko Zlatic (2, Wintherthurerstrasse, Zagreb Croatia), Zurich

arxiv:1002.0470 v2 · 2010-02-02 · 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{NTG4PKBUOOPSVLV54YUKMS2XH4}

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	2026-05-18T03:45:43.920408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ccdc7a834739f2aaebde628a64b573f1f4af697a641a99c8ae6dd6baf46f733

Aliases

arxiv: 1002.0470 · arxiv_version: 1002.0470v2 · doi: 10.48550/arxiv.1002.0470 · pith_short_12: NTG4PKBUOOPS · pith_short_16: NTG4PKBUOOPSVLV5 · pith_short_8: NTG4PKBU

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/NTG4PKBUOOPSVLV54YUKMS2XH4 \
  | 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: 6ccdc7a834739f2aaebde628a64b573f1f4af697a641a99c8ae6dd6baf46f733

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f81044855a8f36736c01e4276678e3acc7134246b0145e0148d002b1a8076ee7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2010-02-02T12:13:48Z",
    "title_canon_sha256": "b0401b321fc180c30ce4039ac9b4f80c33fbc459d530006c63b8c9f2057119d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.0470",
    "kind": "arxiv",
    "version": 2
  }
}