Pith Number

pith:FOPFIG4P

pith:2018:FOPFIG4PBOQIMITBR55U47NTW7

not attested not anchored not stored refs pending

A coarse-grid incremental pressure-projection method for accelerating low Reynolds-number incompressible flow simulations

A. Kashefi

arxiv:1812.00185 v1 · 2018-12-01 · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FOPFIG4PBOQIMITBR55U47NTW7}

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	2026-05-17T23:59:26.941699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b9e541b8f0ba08622618f7b4e7db3b7ef74a0eae44c26ad80547a9197d56ac7

Aliases

arxiv: 1812.00185 · arxiv_version: 1812.00185v1 · doi: 10.48550/arxiv.1812.00185 · pith_short_12: FOPFIG4PBOQI · pith_short_16: FOPFIG4PBOQIMITB · pith_short_8: FOPFIG4P

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/FOPFIG4PBOQIMITBR55U47NTW7 \
  | 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: 2b9e541b8f0ba08622618f7b4e7db3b7ef74a0eae44c26ad80547a9197d56ac7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "305808307225e7ccd68903ea55332dbfc109d8ece188cb415c404a2e477e11d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2018-12-01T10:20:34Z",
    "title_canon_sha256": "d1ddcd9a172689fdcfabf687fd6f060694faa4345739c3223703e14a03568456"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.00185",
    "kind": "arxiv",
    "version": 1
  }
}