Pith Number

pith:CH66MZYG

pith:2023:CH66MZYGH45YVSOCM37KVRB4KF

not attested not anchored not stored refs pending

A Monotone Discretization for the Fractional Obstacle Problem

Hao Zhou, Rubing Han, Shuonan Wu

arxiv:2307.11987 v2 · 2023-07-22 · 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{CH66MZYGH45YVSOCM37KVRB4KF}

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	2026-07-05T06:40:35.721044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11fde667063f3b8ac9c266feaac43c51491ecad10205aed52dc755838391ce91

Aliases

arxiv: 2307.11987 · arxiv_version: 2307.11987v2 · doi: 10.48550/arxiv.2307.11987 · pith_short_12: CH66MZYGH45Y · pith_short_16: CH66MZYGH45YVSOC · pith_short_8: CH66MZYG

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/CH66MZYGH45YVSOCM37KVRB4KF \
  | 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: 11fde667063f3b8ac9c266feaac43c51491ecad10205aed52dc755838391ce91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aacb2e3985d4c635fd00a1a532abba48553b977c30997f09a33dc8159a3aa5d0",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2023-07-22T05:38:41Z",
    "title_canon_sha256": "5a7a8f28e7b2bc025e4af4f464f9e546d82bd5c48ae33379512c9f7ddbbd26d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.11987",
    "kind": "arxiv",
    "version": 2
  }
}