Pith Number

pith:4W5N4MVG

pith:2014:4W5N4MVGW4KBALRVLLNLV3YWPY

not attested not anchored not stored refs pending

A new Algorithm Based on Factorization for Heterogeneous Domain Decomposition

Laurence Halpern (LAGA), Martin J. Gander, V\'eronique Martin (LAMFA)

arxiv:1409.3818 v1 · 2014-09-12 · 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{4W5N4MVGW4KBALRVLLNLV3YWPY}

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	2026-05-18T02:42:54.615701Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5bade32a6b714102e355adabaef167e32a10e4e825b64c886e19d8bd8c144c2

Aliases

arxiv: 1409.3818 · arxiv_version: 1409.3818v1 · doi: 10.48550/arxiv.1409.3818 · pith_short_12: 4W5N4MVGW4KB · pith_short_16: 4W5N4MVGW4KBALRV · pith_short_8: 4W5N4MVG

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/4W5N4MVGW4KBALRVLLNLV3YWPY \
  | 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: e5bade32a6b714102e355adabaef167e32a10e4e825b64c886e19d8bd8c144c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8b42c11ca2f667598f6ec2b117de397aca299a569b65b5668614472977aee66",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-09-12T18:47:41Z",
    "title_canon_sha256": "c764b9465ad69fcbae5ddde9e0b8105e10a670866c91c9feeca413ba1b7ea3d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.3818",
    "kind": "arxiv",
    "version": 1
  }
}