Pith Number

pith:B254GXKF

pith:2019:B254GXKFRTV7BJUTFJDVDIBYAJ

not attested not anchored not stored refs pending

Nonlinear Diffusion Acceleration of the Least-Squares Transport Equation in Geometries with Voids

Hans Hammer, Jim Morel, Yaqi Wang

arxiv:1902.08731 v1 · 2019-02-23 · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B254GXKFRTV7BJUTFJDVDIBYAJ}

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	2026-05-17T23:52:50.127817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ebbc35d458cebf0a6932a4751a03802666d348e4b23dd5503609e186267d7bd

Aliases

arxiv: 1902.08731 · arxiv_version: 1902.08731v1 · doi: 10.48550/arxiv.1902.08731 · pith_short_12: B254GXKFRTV7 · pith_short_16: B254GXKFRTV7BJUT · pith_short_8: B254GXKF

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/B254GXKFRTV7BJUTFJDVDIBYAJ \
  | 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: 0ebbc35d458cebf0a6932a4751a03802666d348e4b23dd5503609e186267d7bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a778d61fac6c6ca11b30fc3c3c1d0fb93f94d1be4e2ab19aff44861de26a09d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2019-02-23T03:48:17Z",
    "title_canon_sha256": "317d8f64d3764163d76cbc95f4af3acf53f87239447b5a8eb5fcb8a5c3c81ef7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08731",
    "kind": "arxiv",
    "version": 1
  }
}