Pith Number

pith:7IA6TWMZ

pith:2026:7IA6TWMZN3FPJQYNFX6YEOTCX6

not attested not anchored not stored refs pending

Diagonal Frog: High-order positivity-preserving FD schemes for anisotropic Fokker-Planck equations

Andrey Itkin

arxiv:2606.23980 v1 · 2026-06-22 · math.NA · cs.NA · physics.bio-ph · physics.comp-ph · q-fin.CP · q-fin.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7IA6TWMZN3FPJQYNFX6YEOTCX6}

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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

Flux-Corrected Diagonal Frog: second order and positivity at all time steps

Receipt and verification

First computed	2026-06-24T00:14:32.194087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa01e9d9996ecaf4c30d2dfd823a62bfa95c693e889da968348e8f4c921e6838

Aliases

arxiv: 2606.23980 · arxiv_version: 2606.23980v1 · doi: 10.48550/arxiv.2606.23980 · pith_short_12: 7IA6TWMZN3FP · pith_short_16: 7IA6TWMZN3FPJQYN · pith_short_8: 7IA6TWMZ

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/7IA6TWMZN3FPJQYNFX6YEOTCX6 \
  | 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: fa01e9d9996ecaf4c30d2dfd823a62bfa95c693e889da968348e8f4c921e6838

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f94fc3389b7fc3ec58346a0dd866ba70bbff10c1ff015a72bae6986146721587",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.bio-ph",
      "physics.comp-ph",
      "q-fin.CP",
      "q-fin.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-06-22T22:13:55Z",
    "title_canon_sha256": "f73caa9b45687e2a784e2e6673daee3a801a28bc24443092a86ba8a2cf947f4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.23980",
    "kind": "arxiv",
    "version": 1
  }
}