Pith Number

pith:SQ3TH5ND

pith:2016:SQ3TH5NDOQ2X3KEVYTCYVS7F3C

not attested not anchored not stored refs pending

A diffusive Fisher-KPP equation with free boundaries and time-periodic advections

Bendong Lou, Maolin Zhou, Ningkui Sun

arxiv:1601.03166 v3 · 2016-01-13 · 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{SQ3TH5NDOQ2X3KEVYTCYVS7F3C}

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	2026-05-18T01:17:50.320639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

943733f5a374357da895c4c58acbe5d8ae99055c062f0bbedf14060ff2ddf737

Aliases

arxiv: 1601.03166 · arxiv_version: 1601.03166v3 · doi: 10.48550/arxiv.1601.03166 · pith_short_12: SQ3TH5NDOQ2X · pith_short_16: SQ3TH5NDOQ2X3KEV · pith_short_8: SQ3TH5ND

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/SQ3TH5NDOQ2X3KEVYTCYVS7F3C \
  | 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: 943733f5a374357da895c4c58acbe5d8ae99055c062f0bbedf14060ff2ddf737

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fc51509f1075145e8b50918912a0b5cfecd6048383cb8442445954c89cb70f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-01-13T08:28:05Z",
    "title_canon_sha256": "ceb274c22915e21b25e344ad22cc46947a376382c9d56513149c6f49683d861d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.03166",
    "kind": "arxiv",
    "version": 3
  }
}