Pith Number

pith:2PDNZ6HV

pith:2018:2PDNZ6HV3RCPQ4XMBPO3GCD4TQ

not attested not anchored not stored refs pending

A new mixed potential representation for the equations of unsteady, incompressible flow

Leslie Greengard, Shidong Jiang

arxiv:1809.08442 v2 · 2018-09-22 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2PDNZ6HV3RCPQ4XMBPO3GCD4TQ}

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.

Cited by

1 paper in Pith

A Fast Integral Equation Method for the Two-Dimensional Navier-Stokes Equations

Receipt and verification

First computed	2026-05-18T00:04:39.030485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3c6dcf8f5dc44f872ec0bddb3087c9c22a5cf184b2e092ce71b49c9131d337b

Aliases

arxiv: 1809.08442 · arxiv_version: 1809.08442v2 · doi: 10.48550/arxiv.1809.08442 · pith_short_12: 2PDNZ6HV3RCP · pith_short_16: 2PDNZ6HV3RCPQ4XM · pith_short_8: 2PDNZ6HV

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/2PDNZ6HV3RCPQ4XMBPO3GCD4TQ \
  | 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: d3c6dcf8f5dc44f872ec0bddb3087c9c22a5cf184b2e092ce71b49c9131d337b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1785f9f77d6cab2796ab8d9f63e782ddb79902b5c010b95769721803dd130afd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-09-22T14:56:59Z",
    "title_canon_sha256": "eba76531a913b1b861f5f3f4e3a73e39542234c7d4db92ef87156057b5773397"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08442",
    "kind": "arxiv",
    "version": 2
  }
}