Pith Number

pith:ZJB7NWEB

pith:2019:ZJB7NWEBF73C6ANRLQ5BIIAODS

not attested not anchored not stored refs pending

A scalable multilevel domain decomposition preconditioner with a subspace-based coarsening algorithm for the neutron transport calculations

Alexander D. Lindsay, Cody J. Permann, Derek R. Gaston, Fande Kong, Richard C. Martineau, Yaqi Wang

arxiv:1906.07743 v1 · 2019-06-18 · math.NA · cs.DC · 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{ZJB7NWEBF73C6ANRLQ5BIIAODS}

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	2026-05-17T23:42:57.883298Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca43f6d8812ff62f01b15c3a14200e1cb5a4d722b4629849b14c41a48ae05d99

Aliases

arxiv: 1906.07743 · arxiv_version: 1906.07743v1 · doi: 10.48550/arxiv.1906.07743 · pith_short_12: ZJB7NWEBF73C · pith_short_16: ZJB7NWEBF73C6ANR · pith_short_8: ZJB7NWEB

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/ZJB7NWEBF73C6ANRLQ5BIIAODS \
  | 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: ca43f6d8812ff62f01b15c3a14200e1cb5a4d722b4629849b14c41a48ae05d99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfa766a0227eb1a40e7db347f6d636dae870f7365cd39360ceae1115a7ff6aa2",
    "cross_cats_sorted": [
      "cs.DC",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-06-18T18:04:34Z",
    "title_canon_sha256": "e19b36dbaeb1af6a3212af14d80e0224cb31637ae01eb5907bed9edeebf0e71a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.07743",
    "kind": "arxiv",
    "version": 1
  }
}