Pith Number

pith:UVULE2Z7

pith:2026:UVULE2Z7RLNDNWY3HTK6JMAMNA

not attested not anchored not stored refs pending

Variational characterizations of weighted eigenvalue and basic reproduction ratio for nonlocal dispersal systems and application

Jiazhuo Cheng, Qiru Wang, Xiandong Lin

arxiv:2603.14256 v2 · 2026-03-15 · 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{UVULE2Z7RLNDNWY3HTK6JMAMNA}

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	2026-05-27T01:05:46.591568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a568b26b3f8ada36db1b3cd5e4b00c680a3f4d2f6c6cf3cb407acb1d39c3da67

Aliases

arxiv: 2603.14256 · arxiv_version: 2603.14256v2 · doi: 10.48550/arxiv.2603.14256 · pith_short_12: UVULE2Z7RLND · pith_short_16: UVULE2Z7RLNDNWY3 · pith_short_8: UVULE2Z7

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/UVULE2Z7RLNDNWY3HTK6JMAMNA \
  | 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: a568b26b3f8ada36db1b3cd5e4b00c680a3f4d2f6c6cf3cb407acb1d39c3da67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2486a669d811d9502e4d1bad142dc71e146ebc33e0ef03099b8e1babaab4e051",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2026-03-15T07:26:39Z",
    "title_canon_sha256": "1d9a4053931dfbdee1d99825e64addb6f310de637032141f1c11e8b5b8dcda04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.14256",
    "kind": "arxiv",
    "version": 2
  }
}