Pith Number

pith:UXDPY62P

pith:2008:UXDPY62PH5AIINFE6EK2CV27YO

not attested not anchored not stored refs pending

Local time steps for a finite volume scheme

Fran\c{c}oise Willien (IFP), Fr\'ed\'eric Nataf (LJLL), Isabelle Faille (IFP), Sylvie Wolf (LT)

arxiv:0805.0550 v1 · 2008-05-05 · math.NA · cs.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{UXDPY62PH5AIINFE6EK2CV27YO}

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	2026-06-03T22:06:05.980546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5c6fc7b4f3f408434a4f115a1575fc39d868e435def7af802f581dd0adae1fe

Aliases

arxiv: 0805.0550 · arxiv_version: 0805.0550v1 · doi: 10.48550/arxiv.0805.0550 · pith_short_12: UXDPY62PH5AI · pith_short_16: UXDPY62PH5AIINFE · pith_short_8: UXDPY62P

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/UXDPY62PH5AIINFE6EK2CV27YO \
  | 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: a5c6fc7b4f3f408434a4f115a1575fc39d868e435def7af802f581dd0adae1fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0b63c0fcb5d551b44f86868119280a785a33db6dd4b32f1496bfa705096b2cb",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2008-05-05T15:05:58Z",
    "title_canon_sha256": "fe7f83e5d573048f4f534b826bf2aab71a8fb69203a84ebc5b8cc3d4eb0fa6e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.0550",
    "kind": "arxiv",
    "version": 1
  }
}