Pith Number

pith:AXKUI5Z4

pith:2015:AXKUI5Z4YMR6QYTCSL3VAFF2CY

not attested not anchored not stored refs pending

Discrete exterior calculus discretization of incompressible Navier-Stokes equations over surface simplicial meshes

Anil N. Hirani, Mamdouh S. Mohamed, Ravi Samtaney

arxiv:1508.01166 v2 · 2015-08-05 · physics.flu-dyn · math.DG · math.NA · 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{AXKUI5Z4YMR6QYTCSL3VAFF2CY}

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	2026-05-18T01:17:25.494355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05d544773cc323e8626292f75014ba161c9c3fbb3e906bc9e4992fa5f2ec0ba7

Aliases

arxiv: 1508.01166 · arxiv_version: 1508.01166v2 · doi: 10.48550/arxiv.1508.01166 · pith_short_12: AXKUI5Z4YMR6 · pith_short_16: AXKUI5Z4YMR6QYTC · pith_short_8: AXKUI5Z4

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/AXKUI5Z4YMR6QYTCSL3VAFF2CY \
  | 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: 05d544773cc323e8626292f75014ba161c9c3fbb3e906bc9e4992fa5f2ec0ba7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e61f1d5d4eae034675d4da680af2c1ffcc6d1ee649e4dd5981a7cc1ae9cdfbcf",
    "cross_cats_sorted": [
      "math.DG",
      "math.NA",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2015-08-05T18:50:28Z",
    "title_canon_sha256": "ac17071d7dfca6922507ef5f6f1e51031d6914a1029d485f57081a6a3b3e52df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.01166",
    "kind": "arxiv",
    "version": 2
  }
}