Pith Number

pith:Z6Q5PBMT

pith:2018:Z6Q5PBMTXT5T4FB5DRA2ALNSV7

not attested not anchored not stored refs pending

Angular-momentum conservation in discretization of Navier-Stokes equation for viscous fluids

Hiroshi Noguchi

arxiv:1810.00354 v2 · 2018-09-30 · 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{Z6Q5PBMTXT5T4FB5DRA2ALNSV7}

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	2026-05-17T23:54:16.021608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfa1d78593bcfb3e143d1c41a02db2afc04459591f54ca483627080691e9886a

Aliases

arxiv: 1810.00354 · arxiv_version: 1810.00354v2 · doi: 10.48550/arxiv.1810.00354 · pith_short_12: Z6Q5PBMTXT5T · pith_short_16: Z6Q5PBMTXT5T4FB5 · pith_short_8: Z6Q5PBMT

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/Z6Q5PBMTXT5T4FB5DRA2ALNSV7 \
  | 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: cfa1d78593bcfb3e143d1c41a02db2afc04459591f54ca483627080691e9886a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de14e4b9b1d7772c2349df6b790fd4041dee0976f6fc0e6a87b1e9736fedfad0",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2018-09-30T10:57:49Z",
    "title_canon_sha256": "3b43c1139ebb6c732d3de916b0f330e2c3d4052a4bbf664baade394c41395cd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.00354",
    "kind": "arxiv",
    "version": 2
  }
}