Pith Number

pith:HNTQDUED

pith:2018:HNTQDUEDXLTEAKFYC7MPZXC73C

not attested not anchored not stored refs pending

Approximation to Singular Quadratic Collision Model in Fokker-Planck-Landau Equation

Ruo Li, Yanli Wang, Yixuan Wang

arxiv:1812.01451 v3 · 2018-12-02 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HNTQDUEDXLTEAKFYC7MPZXC73C}

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	2026-06-04T20:13:45.247674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b6701d083bae64028b817d8fcdc5fd8b36ab13a83ce8bd828a337a389f82512

Aliases

arxiv: 1812.01451 · arxiv_version: 1812.01451v3 · doi: 10.48550/arxiv.1812.01451 · pith_short_12: HNTQDUEDXLTE · pith_short_16: HNTQDUEDXLTEAKFY · pith_short_8: HNTQDUED

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/HNTQDUEDXLTEAKFYC7MPZXC73C \
  | 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: 3b6701d083bae64028b817d8fcdc5fd8b36ab13a83ce8bd828a337a389f82512

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f423f469888d40cb004da508845600f28fc8014a90f82e0cc8516b816ec16d6",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-12-02T09:26:26Z",
    "title_canon_sha256": "bdb5284401a4bb7b35e578b01420813ead6ff45d96475e13a397f045b6414a96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.01451",
    "kind": "arxiv",
    "version": 3
  }
}