Pith Number

pith:AFXWMF45

pith:2018:AFXWMF45H5UFFATSOUGHNVBSQW

not attested not anchored not stored refs pending

A free boundary problem for a class of parabolic-elliptic type chemotaxis model

Hua Chen, Shaohua Wu, Wenbin Lv

arxiv:1806.01797 v1 · 2018-06-05 · 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{AFXWMF45H5UFFATSOUGHNVBSQW}

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	2026-05-18T00:14:11.784382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

016f66179d3f68528272750c76d43285be4cbe41102959adb95baa8a36ba5249

Aliases

arxiv: 1806.01797 · arxiv_version: 1806.01797v1 · doi: 10.48550/arxiv.1806.01797 · pith_short_12: AFXWMF45H5UF · pith_short_16: AFXWMF45H5UFFATS · pith_short_8: AFXWMF45

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/AFXWMF45H5UFFATSOUGHNVBSQW \
  | 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: 016f66179d3f68528272750c76d43285be4cbe41102959adb95baa8a36ba5249

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01f1160628fb5c357e8a0bdc6d6b2234153db8bc573f1192f646862901292c4d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-06-05T16:40:26Z",
    "title_canon_sha256": "02dec1dfa925398061937c2a055d8078d89d80f4803f0f97c138ba9711dd5090"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.01797",
    "kind": "arxiv",
    "version": 1
  }
}