Pith Number

pith:BL5MUZ25

pith:2013:BL5MUZ25GOWENDUGQQYVQDMKVL

not attested not anchored not stored refs pending

On Schwarz Methods for Nonsymmetric and Indefinite Problems

Cody Lorton, Xiaobing Feng

arxiv:1308.3211 v2 · 2013-08-14 · 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{BL5MUZ25GOWENDUGQQYVQDMKVL}

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	2026-05-18T03:15:55.337441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0afaca675d33ac468e868431580d8aaae063055f22242cadc0558a608b267483

Aliases

arxiv: 1308.3211 · arxiv_version: 1308.3211v2 · doi: 10.48550/arxiv.1308.3211 · pith_short_12: BL5MUZ25GOWE · pith_short_16: BL5MUZ25GOWENDUG · pith_short_8: BL5MUZ25

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/BL5MUZ25GOWENDUGQQYVQDMKVL \
  | 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: 0afaca675d33ac468e868431580d8aaae063055f22242cadc0558a608b267483

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69484829ab9031ff723a5ef63527654325093b4e546f56a8621e63a7562cae30",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-08-14T19:01:10Z",
    "title_canon_sha256": "1bd67775206373a9ed4061b7d9b2ec8736658f47f83d1d6e919b72560498c96f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.3211",
    "kind": "arxiv",
    "version": 2
  }
}