Pith Number

pith:FII6TNFS

pith:2019:FII6TNFS3DYETN7PSWSZFS2QMG

not attested not anchored not stored refs pending

The Castro AMR Simulation Code: Current and Future Developments

A. Harpole, A. J. Nonaka, A. S. Almgren, D. E. Willcox, J. B. Bell, K. Eiden, M. Barrios Sazo, M. P. Katz, M. Zingale, W. Zhang

arxiv:1910.12578 v1 · 2019-10-28 · astro-ph.IM · 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{FII6TNFS3DYETN7PSWSZFS2QMG}

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	2026-07-05T01:57:48.414034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a11e9b4b2d8f049b7ef95a592cb5061aa4728da90448f7d494e22bd832443a5

Aliases

arxiv: 1910.12578 · arxiv_version: 1910.12578v1 · doi: 10.48550/arxiv.1910.12578 · pith_short_12: FII6TNFS3DYE · pith_short_16: FII6TNFS3DYETN7P · pith_short_8: FII6TNFS

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/FII6TNFS3DYETN7PSWSZFS2QMG \
  | 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: 2a11e9b4b2d8f049b7ef95a592cb5061aa4728da90448f7d494e22bd832443a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60ba1f276997ed5a77dfe8552605b6d2a0d520850479469394169ea240fdecef",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-10-28T12:23:30Z",
    "title_canon_sha256": "8befbdddc853ca21e0c3f64f6256768cd8088a215b8b219be7a630d24190a8ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.12578",
    "kind": "arxiv",
    "version": 1
  }
}