Pith Number

pith:BBYBE4L6

pith:2013:BBYBE4L66V3ABL6WANNBN55DZH

not attested not anchored not stored refs pending

A Sharp-Interface Active Penalty Method for the Incompressible Navier-Stokes Equations

David Shirokoff, Jean-Christophe Nave

arxiv:1303.5681 v3 · 2013-03-22 · math.NA · physics.comp-ph · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BBYBE4L66V3ABL6WANNBN55DZH}

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	2026-05-18T02:59:31.458258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

087012717ef57600afd6035a16f7a3c9f90de8c6fe68b4845a1260224683bba0

Aliases

arxiv: 1303.5681 · arxiv_version: 1303.5681v3 · doi: 10.48550/arxiv.1303.5681 · pith_short_12: BBYBE4L66V3A · pith_short_16: BBYBE4L66V3ABL6W · pith_short_8: BBYBE4L6

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/BBYBE4L66V3ABL6WANNBN55DZH \
  | 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: 087012717ef57600afd6035a16f7a3c9f90de8c6fe68b4845a1260224683bba0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e0b964c639e863c7439e7993a3a9f0c3c8d86d01f3b1e17ed72ef2df5c5c820",
    "cross_cats_sorted": [
      "physics.comp-ph",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-03-22T18:34:37Z",
    "title_canon_sha256": "082388742e4e5907b7bdb4dd51f1729a09f38ced1731d4b2b8b5e55925f1df3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.5681",
    "kind": "arxiv",
    "version": 3
  }
}