Pith Number

pith:PAIKP2IJ

pith:2022:PAIKP2IJ4WMLS4B3VAOWLO65YD

not attested not anchored not stored refs pending

A Stable Mimetic Finite-Difference Method for Convection-Dominated Diffusion Equations

Andy Huang, Casey Cavanaugh, James H. Adler, Nathaniel Trask, Xiaozhe Hu

arxiv:2208.04169 v2 · 2022-08-08 · 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{PAIKP2IJ4WMLS4B3VAOWLO65YD}

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	2026-07-05T06:12:33.890923Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7810a7e909e598b9703ba81d65bbddc0f37e529b512af5cea70a977d3aa526e7

Aliases

arxiv: 2208.04169 · arxiv_version: 2208.04169v2 · doi: 10.48550/arxiv.2208.04169 · pith_short_12: PAIKP2IJ4WML · pith_short_16: PAIKP2IJ4WMLS4B3 · pith_short_8: PAIKP2IJ

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/PAIKP2IJ4WMLS4B3VAOWLO65YD \
  | 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: 7810a7e909e598b9703ba81d65bbddc0f37e529b512af5cea70a977d3aa526e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e5da788a3235c15a6afb702689d06602db1dae94c62e6ae278a0b9355445ec8",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-08-08T14:11:18Z",
    "title_canon_sha256": "a7bbf55b28fffac2a2676f20d54be989e2bb1e6957f05146b78e84fa1484761d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.04169",
    "kind": "arxiv",
    "version": 2
  }
}