Pith Number

pith:VOANAEXP

pith:2010:VOANAEXPOS7N47SMIUYZO6OL2E

not attested not anchored not stored refs pending

A general framework for deriving integral preserving numerical methods for PDEs

Brynjulf Owren, Morten Dahlby

arxiv:1009.3151 v2 · 2010-09-16 · 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{VOANAEXPOS7N47SMIUYZO6OL2E}

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	2026-05-18T04:23:02.868038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab80d012ef74bede7e4c45319779cbd1321c546e1346176114d0c6738b0f6fa6

Aliases

arxiv: 1009.3151 · arxiv_version: 1009.3151v2 · doi: 10.48550/arxiv.1009.3151 · pith_short_12: VOANAEXPOS7N · pith_short_16: VOANAEXPOS7N47SM · pith_short_8: VOANAEXP

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/VOANAEXPOS7N47SMIUYZO6OL2E \
  | 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: ab80d012ef74bede7e4c45319779cbd1321c546e1346176114d0c6738b0f6fa6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de1d0718419e75c7cf89f71c0db670ae4aa58c053749b24a0478a601b9568070",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2010-09-16T11:38:04Z",
    "title_canon_sha256": "a6fac863a69b75b683e6deec12014338f39eff285d6ea1504644c0524eb167eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.3151",
    "kind": "arxiv",
    "version": 2
  }
}