Pith Number

pith:APFISYQH

pith:2026:APFISYQHYVRTNG4QRRTTTUHTMJ

not attested not anchored not stored refs pending

A Nonstandard Finite Difference Scheme for a Nonlinear Parabolic Equation with p-Laplacian-Type Diffusion

Achraf Zinihi, Matthias Ehrhardt, Moulay Rchid Sidi Ammi

arxiv:2607.00489 v1 · 2026-07-01 · math.NA · cs.NA · physics.comp-ph

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\usepackage{pith}
\pithnumber{APFISYQHYVRTNG4QRRTTTUHTMJ}

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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.

Cited by

1 paper in Pith

Structure-Preserving Neural ODEs via Nonstandard Finite Difference Discretization

Receipt and verification

First computed	2026-07-02T01:17:44.834143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03ca896207c563369b908c6739d0f3624829d04504da6f5c7cc4d55321f1db77

Aliases

arxiv: 2607.00489 · arxiv_version: 2607.00489v1 · doi: 10.48550/arxiv.2607.00489 · pith_short_12: APFISYQHYVRT · pith_short_16: APFISYQHYVRTNG4Q · pith_short_8: APFISYQH

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/APFISYQHYVRTNG4QRRTTTUHTMJ \
  | 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: 03ca896207c563369b908c6739d0f3624829d04504da6f5c7cc4d55321f1db77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c3d8a546f51cebb239768a9a63e19d686cf0727d8522cb316474e78d5d15228",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-07-01T06:16:42Z",
    "title_canon_sha256": "57fc4ff20a060efd2599a444cdb8a685b9de81153457cdbbacd1d70607d37fa0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.00489",
    "kind": "arxiv",
    "version": 1
  }
}