Pith Number

pith:6UTZVM7C

pith:2025:6UTZVM7C3WKFD6GVBIISOORLLU

not attested not anchored not stored refs pending

An Efficient Implementation of Edge-Based Discretization without Forming Dual Control Volumes

Hiroaki Nishikawa

arxiv:2502.00778 v1 · 2025-02-02 · math.NA · cs.NA · math.DG · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6UTZVM7C3WKFD6GVBIISOORLLU}

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	2026-07-05T10:08:38.306710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5279ab3e2dd9451f8d50a11273a2b5d269b6af294d0ec048b146acbbef0fc47

Aliases

arxiv: 2502.00778 · arxiv_version: 2502.00778v1 · doi: 10.48550/arxiv.2502.00778 · pith_short_12: 6UTZVM7C3WKF · pith_short_16: 6UTZVM7C3WKFD6GV · pith_short_8: 6UTZVM7C

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/6UTZVM7C3WKFD6GVBIISOORLLU \
  | 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: f5279ab3e2dd9451f8d50a11273a2b5d269b6af294d0ec048b146acbbef0fc47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33a50c5d84f6a5bb1c8b82c115f953001a7101be27392678c063b5102196b50d",
    "cross_cats_sorted": [
      "cs.NA",
      "math.DG",
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-02-02T12:32:48Z",
    "title_canon_sha256": "379a324523b9c222b5161e8b35b639a51736ccbaed8a9d8b27d2804bc3575da5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.00778",
    "kind": "arxiv",
    "version": 1
  }
}