Pith Number

pith:RHB52XX5

pith:2024:RHB52XX5XQDDCSIKMQI6C2PXFR

not attested not anchored not stored refs pending

Solving Diffusion and Wave Equations Meshlessly via Helmholtz Equations

Adam Johnson

arxiv:2411.17122 v1 · 2024-11-26 · 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{RHB52XX5XQDDCSIKMQI6C2PXFR}

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	2026-07-05T09:40:27.740138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89c3dd5efdbc0631490a6411e169f72c6af162acc5b070dcb1ab87dca936af3a

Aliases

arxiv: 2411.17122 · arxiv_version: 2411.17122v1 · doi: 10.48550/arxiv.2411.17122 · pith_short_12: RHB52XX5XQDD · pith_short_16: RHB52XX5XQDDCSIK · pith_short_8: RHB52XX5

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/RHB52XX5XQDDCSIKMQI6C2PXFR \
  | 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: 89c3dd5efdbc0631490a6411e169f72c6af162acc5b070dcb1ab87dca936af3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b377d08eb8ce4fd72d260ec7e0ea14929840e59b86ce6afe6d6242bec75b633",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-11-26T05:23:13Z",
    "title_canon_sha256": "5e95f23c0a3ab80b3ad01c574bb90305797294040af051890d07a031b8f3ed14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.17122",
    "kind": "arxiv",
    "version": 1
  }
}