Pith Number

pith:KYGI3EEH

pith:2018:KYGI3EEHFCLFBVFWFJXRILPYHW

not attested not anchored not stored refs pending

Biodiversity and robustness of large ecosystems

Sergey Vakulenko, Uno Wennergren, Vladimir G. Tkachev, Vladimir Kozlov

arxiv:1808.02239 v1 · 2018-08-07 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KYGI3EEHFCLFBVFWFJXRILPYHW}

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	2026-05-18T00:06:01.149063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

560c8d9087289650d4b62a6f142df83d87b94a14a5f2e8b13f265b2700433a8e

Aliases

arxiv: 1808.02239 · arxiv_version: 1808.02239v1 · doi: 10.48550/arxiv.1808.02239 · pith_short_12: KYGI3EEHFCLF · pith_short_16: KYGI3EEHFCLFBVFW · pith_short_8: KYGI3EEH

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/KYGI3EEHFCLFBVFWFJXRILPYHW \
  | 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: 560c8d9087289650d4b62a6f142df83d87b94a14a5f2e8b13f265b2700433a8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ad6cb6797d4f7c85e0a42775b56b635a1898a198648ecdd96c8011e3212d961",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2018-08-07T07:35:47Z",
    "title_canon_sha256": "c307042ab0836e24bc85221a3c6c615472110d1c8a52f3229ae31590042d91dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02239",
    "kind": "arxiv",
    "version": 1
  }
}