Pith Number

pith:VJSEGBAR

pith:2019:VJSEGBARPPBORFC6VGMEHH3RJQ

not attested not anchored not stored refs pending

A highly parallel multilevel Newton-Krylov-Schwarz method with subspace-based coarsening and partition-based balancing for the multigroup neutron transport equations on 3D unstructured meshes

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

arxiv:1903.03659 v1 · 2019-03-08 · math.NA · cs.CE · cs.DC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VJSEGBARPPBORFC6VGMEHH3RJQ}

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	2026-05-17T23:51:41.356378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa644304117bc2e8945ea998439f714c1232da709a08142e202051eedcad8210

Aliases

arxiv: 1903.03659 · arxiv_version: 1903.03659v1 · doi: 10.48550/arxiv.1903.03659 · pith_short_12: VJSEGBARPPBO · pith_short_16: VJSEGBARPPBORFC6 · pith_short_8: VJSEGBAR

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/VJSEGBARPPBORFC6VGMEHH3RJQ \
  | 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: aa644304117bc2e8945ea998439f714c1232da709a08142e202051eedcad8210

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6c44a862ea0d9743f90fa8975a9d5e0780db14b7841f19e2c68574057d74e97",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.DC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-03-08T20:25:48Z",
    "title_canon_sha256": "5b3f6caa0e6008e34f16b05da5a752f9a107b8324474d745fa2e5a73fe49dd76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.03659",
    "kind": "arxiv",
    "version": 1
  }
}