Pith Number

pith:PHQGRCZB

pith:2017:PHQGRCZB3EHF7WFM3DFLOAWDTD

not attested not anchored not stored refs pending

The diffusive Beddington-DeAngelis predator-prey model with nonlinear prey-taxis and free boundary

Jianping Wang, Mingxin Wang

arxiv:1711.04229 v1 · 2017-11-12 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PHQGRCZB3EHF7WFM3DFLOAWDTD}

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	2026-05-18T00:00:59.964282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79e0688b21d90e5fd8acd8cab702c398fc6bb60bdd7513d4fd9c46f82e946c0e

Aliases

arxiv: 1711.04229 · arxiv_version: 1711.04229v1 · doi: 10.48550/arxiv.1711.04229 · pith_short_12: PHQGRCZB3EHF · pith_short_16: PHQGRCZB3EHF7WFM · pith_short_8: PHQGRCZB

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/PHQGRCZB3EHF7WFM3DFLOAWDTD \
  | 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: 79e0688b21d90e5fd8acd8cab702c398fc6bb60bdd7513d4fd9c46f82e946c0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee80e46633ef42457047d19034d4d5170d5ab78afd035a7007574e20a1e7a37e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-11-12T03:22:51Z",
    "title_canon_sha256": "e522e04d93611b1d46b8a53679a8fe3fddc118df88b40036965dd6d226959f79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.04229",
    "kind": "arxiv",
    "version": 1
  }
}