Pith Number

pith:N4CIPUWN

pith:2009:N4CIPUWNRN7HM6DUJNWK6VHHPJ

not attested not anchored not stored refs pending

A kinetic scheme for transient mixed flows in non uniform closed pipes: a global manner to upwind all the source terms

Christian Bourdarias (LAMA), Mehmet Ersoy (LAMA), St\'ephane Gerbi (LAMA)

arxiv:0911.4269 v2 · 2009-11-22 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N4CIPUWNRN7HM6DUJNWK6VHHPJ}

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	2026-05-18T04:18:04.893165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f0487d2cd8b7e7678744b6caf54e77a4418dd8f2df490de707801fe8f4c7366

Aliases

arxiv: 0911.4269 · arxiv_version: 0911.4269v2 · doi: 10.48550/arxiv.0911.4269 · pith_short_12: N4CIPUWNRN7H · pith_short_16: N4CIPUWNRN7HM6DU · pith_short_8: N4CIPUWN

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/N4CIPUWNRN7HM6DUJNWK6VHHPJ \
  | 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: 6f0487d2cd8b7e7678744b6caf54e77a4418dd8f2df490de707801fe8f4c7366

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca24b3476705dd3efe3783f9c8369162b60f49e585049c11f333d167c05a64e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2009-11-22T17:46:39Z",
    "title_canon_sha256": "b9010eb9aefd7961abc34ecb06dd81e159102e6f32905ce40292cbbbdb6e6ab9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.4269",
    "kind": "arxiv",
    "version": 2
  }
}