Pith Number

pith:HUBRQFO2

pith:2013:HUBRQFO2AT6GYQNBWG36PXMK7Z

not attested not anchored not stored refs pending

A biomolecular electrostatics solver using Python, GPUs and boundary elements that can handle solvent-filled cavities and Stern layers

Christopher D. Cooper, Jaydeep P. Bardhan, L. A. Barba

arxiv:1309.4018 v1 · 2013-09-16 · 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{HUBRQFO2AT6GYQNBWG36PXMK7Z}

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	2026-05-18T03:07:44.129693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d031815da04fc6c41a1b1b7e7dd8afe4c7c1d76a02578f6b1f3b469497f289b

Aliases

arxiv: 1309.4018 · arxiv_version: 1309.4018v1 · doi: 10.48550/arxiv.1309.4018 · pith_short_12: HUBRQFO2AT6G · pith_short_16: HUBRQFO2AT6GYQNB · pith_short_8: HUBRQFO2

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/HUBRQFO2AT6GYQNBWG36PXMK7Z \
  | 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: 3d031815da04fc6c41a1b1b7e7dd8afe4c7c1d76a02578f6b1f3b469497f289b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c99f153cd04a54eaa76249846f230604cf0c65b9185feeca46d69a0cdfd2f13e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2013-09-16T16:04:53Z",
    "title_canon_sha256": "2c3e87f856358b7206656907e1812fedba40074a6ceaaa9e178cc77472ad50a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4018",
    "kind": "arxiv",
    "version": 1
  }
}