Pith Number

pith:YPXVINI3

pith:2010:YPXVINI3VKYB5DNFURGH2DQPMA

not attested not anchored not stored refs pending

Valid Physical Processes from Numerical Discontinuities in Computational Fluid Dynamics

Kun Xu, Pubing Yu, Quanhua Sun

arxiv:1009.4326 v1 · 2010-09-22 · math-ph · math.MP · 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{YPXVINI3VKYB5DNFURGH2DQPMA}

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	2026-05-18T04:40:33.343455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3ef54351baab01e8da5a44c7d0e0f60192d875b7366a9feb38e021e06e7bf7c

Aliases

arxiv: 1009.4326 · arxiv_version: 1009.4326v1 · doi: 10.48550/arxiv.1009.4326 · pith_short_12: YPXVINI3VKYB · pith_short_16: YPXVINI3VKYB5DNF · pith_short_8: YPXVINI3

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/YPXVINI3VKYB5DNFURGH2DQPMA \
  | 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: c3ef54351baab01e8da5a44c7d0e0f60192d875b7366a9feb38e021e06e7bf7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc608d54f3e62390bc74d97eaf558eed985aa2a5e46ab6ca0fe4ac562aab1b6f",
    "cross_cats_sorted": [
      "math.MP",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2010-09-22T11:14:16Z",
    "title_canon_sha256": "bb00b2390c96f0ea3480274a70bba47382b9ab718c54634b061166e5d0e90717"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.4326",
    "kind": "arxiv",
    "version": 1
  }
}