Pith Number

pith:XO4JRC6I

pith:2025:XO4JRC6I5TATMCUZPBNCRE6IUW

not attested not anchored not stored refs pending

Spectral Analysis of Node- and Cell-Centered Higher-Order Compact Schemes for Fully Discrete One and Two-Dimensional Convection-Dispersion Equation

Lavanya V Salian, Rakesh Kumar, Rathan Samala, Vivek S Yadav

arxiv:2507.14692 v1 · 2025-07-19 · 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{XO4JRC6I5TATMCUZPBNCRE6IUW}

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	2026-07-05T11:40:11.892363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbb8988bc8ecc1360a99785a2893c8a596eb5e2e59fa7334afcccd4d82ca0894

Aliases

arxiv: 2507.14692 · arxiv_version: 2507.14692v1 · doi: 10.48550/arxiv.2507.14692 · pith_short_12: XO4JRC6I5TAT · pith_short_16: XO4JRC6I5TATMCUZ · pith_short_8: XO4JRC6I

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/XO4JRC6I5TATMCUZPBNCRE6IUW \
  | 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: bbb8988bc8ecc1360a99785a2893c8a596eb5e2e59fa7334afcccd4d82ca0894

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f5acc3b69352b53f8e3592300f50a003d26ab461e4da37812138b3f186554a6",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-07-19T16:53:22Z",
    "title_canon_sha256": "a911d8c6d92923e42ae229a36cb9c7aadf576801c6ef8833419b3a9f0b432fd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.14692",
    "kind": "arxiv",
    "version": 1
  }
}