Pith Number

pith:2WIPNZD3

pith:2020:2WIPNZD3H6NMWDUNVLBAGXH5KE

not attested not anchored not stored refs pending

AMReX: Block-Structured Adaptive Mesh Refinement for Multiphysics Applications

Andrew Myers, Ann Almgren, John Bell, Kevin Gott, Weiqun Zhang

arxiv:2009.12009 v2 · 2020-09-25 · cs.MS · 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{2WIPNZD3H6NMWDUNVLBAGXH5KE}

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.

Cited by

1 paper in Pith

SACRA-K: A Performance-Portable Numerical Relativity Code with Kokkos

Receipt and verification

First computed	2026-07-05T10:35:27.867109Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d590f6e47b3f9acb0e8daac2035cfd511a4cc219c2b9f3c0dc8607387fed8f1f

Aliases

arxiv: 2009.12009 · arxiv_version: 2009.12009v2 · doi: 10.48550/arxiv.2009.12009 · pith_short_12: 2WIPNZD3H6NM · pith_short_16: 2WIPNZD3H6NMWDUN · pith_short_8: 2WIPNZD3

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/2WIPNZD3H6NMWDUNVLBAGXH5KE \
  | 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: d590f6e47b3f9acb0e8daac2035cfd511a4cc219c2b9f3c0dc8607387fed8f1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13bfe2214127d80ea81bfe8ee1c77d17e640d9682487256743fe52cf35222d5e",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.DC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2020-09-25T02:59:30Z",
    "title_canon_sha256": "307633ad0ed21d9e85083ee1599d32ddc31e42f47ad67d15d2cc2f6a96e58d1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.12009",
    "kind": "arxiv",
    "version": 2
  }
}