Pith Number

pith:MKWQR6T3

pith:2019:MKWQR6T37CVT536DILPJTBKGFT

not attested not anchored not stored refs pending

A Lotka-Volterra competition model with nonlocal diffusion and free boundaries

Jia-Feng Cao, Jie Wang, Wan-Tong Li

arxiv:1905.09584 v1 · 2019-05-23 · 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{MKWQR6T37CVT536DILPJTBKGFT}

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	2026-05-17T23:45:16.636400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62ad08fa7bf8ab3eefc342de9985462ccea4633a86f2e092a09bed030ee2b423

Aliases

arxiv: 1905.09584 · arxiv_version: 1905.09584v1 · doi: 10.48550/arxiv.1905.09584 · pith_short_12: MKWQR6T37CVT · pith_short_16: MKWQR6T37CVT536D · pith_short_8: MKWQR6T3

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/MKWQR6T37CVT536DILPJTBKGFT \
  | 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: 62ad08fa7bf8ab3eefc342de9985462ccea4633a86f2e092a09bed030ee2b423

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8cd0bd15e1e92835c5ee2b63460d64a89be6e5b8edd3f9a015a13e91c58fc469",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2019-05-23T10:56:32Z",
    "title_canon_sha256": "83ff318c5e2f7eb5887a553d6cb3cdaf286e8eb80e3717ff30bc773183bf6edd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.09584",
    "kind": "arxiv",
    "version": 1
  }
}