Pith Number

pith:DW4VVDYZ

pith:2018:DW4VVDYZLDZYUIQ3XWY5ITVM7S

not attested not anchored not stored refs pending

Some elementary mechanisms for critical transitions and hysteresis in simple predator prey models

John Vandermeer

arxiv:1804.04166 v1 · 2018-04-11 · 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{DW4VVDYZLDZYUIQ3XWY5ITVM7S}

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	2026-05-18T00:18:40.590538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1db95a8f1958f38a221bbdb1d44eacfcaa0dbda5e255c8d76c9c0a60246489fe

Aliases

arxiv: 1804.04166 · arxiv_version: 1804.04166v1 · doi: 10.48550/arxiv.1804.04166 · pith_short_12: DW4VVDYZLDZY · pith_short_16: DW4VVDYZLDZYUIQ3 · pith_short_8: DW4VVDYZ

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/DW4VVDYZLDZYUIQ3XWY5ITVM7S \
  | 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: 1db95a8f1958f38a221bbdb1d44eacfcaa0dbda5e255c8d76c9c0a60246489fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f66c0350517b0a764c119e27ab3c5e894e3b0fdb5ec9eca4bd3968cbdbad8039",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2018-04-11T18:57:35Z",
    "title_canon_sha256": "d489c1df54662cffdf69bb2064dba127dab0fcbf0535c18168210f62ea2f3b66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04166",
    "kind": "arxiv",
    "version": 1
  }
}