Pith Number

pith:RWGRPJZJ

pith:2025:RWGRPJZJ5GD6E4GL5TB3VAGK74

not attested not anchored not stored refs pending

Complex dynamics of a predator-prey model with constant-yield prey harvesting and Allee effect in predator

Changrong Zhu, Jianhang Xie

arxiv:2504.00344 v1 · 2025-04-01 · 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{RWGRPJZJ5GD6E4GL5TB3VAGK74}

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	2026-07-05T10:42:24.747547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d8d17a729e987e270cbecc3ba80caff2ea33fad5eceb36dc6c4b255575789b9

Aliases

arxiv: 2504.00344 · arxiv_version: 2504.00344v1 · doi: 10.48550/arxiv.2504.00344 · pith_short_12: RWGRPJZJ5GD6 · pith_short_16: RWGRPJZJ5GD6E4GL · pith_short_8: RWGRPJZJ

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/RWGRPJZJ5GD6E4GL5TB3VAGK74 \
  | 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: 8d8d17a729e987e270cbecc3ba80caff2ea33fad5eceb36dc6c4b255575789b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d00297e43da88f5407b41f1258b4261b439aff32db437d49c71ccf7a3c15330",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2025-04-01T01:48:09Z",
    "title_canon_sha256": "a2f023ea6bff398f0a451795aa90dc8a0eef4b6d688e3ab4938d0fdfe3ac90b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.00344",
    "kind": "arxiv",
    "version": 1
  }
}