Pith Number

pith:UND5RGEL

pith:2020:UND5RGELCBNJVP5C5GLB7HXI5Q

not attested not anchored not stored refs pending

A comparison of techniques for solving the Poisson equation in CFD

Nick Brown

arxiv:2010.14132 v1 · 2020-10-27 · cs.DC · cs.MS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UND5RGELCBNJVP5C5GLB7HXI5Q}

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	2026-07-05T01:46:31.701567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a347d8988b105a9abfa2e9961f9ee8ec37f729b034132f64556c8f575a57a748

Aliases

arxiv: 2010.14132 · arxiv_version: 2010.14132v1 · doi: 10.48550/arxiv.2010.14132 · pith_short_12: UND5RGELCBNJ · pith_short_16: UND5RGELCBNJVP5C · pith_short_8: UND5RGEL

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/UND5RGELCBNJVP5C5GLB7HXI5Q \
  | 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: a347d8988b105a9abfa2e9961f9ee8ec37f729b034132f64556c8f575a57a748

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5813a8a4b835f403b66bda57f5b19500936df193f607341f9dc358321bb5e0a6",
    "cross_cats_sorted": [
      "cs.MS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2020-10-27T08:43:53Z",
    "title_canon_sha256": "35621082c2c04cb089fd82356e270dfd5b68283253421d9747bc0d9227fcc0a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.14132",
    "kind": "arxiv",
    "version": 1
  }
}