Pith Number

pith:XWTAOUVU

pith:2020:XWTAOUVUGNC7ZTFQREKVQRHIHB

not attested not anchored not stored refs pending

picFoam: An OpenFOAM based electrostatic Particle-in-Cell solver

Christoph K\"uhn, Rodion Groll

arxiv:2012.14724 v1 · 2020-12-29 · physics.plasm-ph · 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{XWTAOUVUGNC7ZTFQREKVQRHIHB}

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	2026-07-05T02:13:21.211387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bda60752b43345fcccb089155844e83877e2a15121c719682871a633c9b3b7e9

Aliases

arxiv: 2012.14724 · arxiv_version: 2012.14724v1 · doi: 10.48550/arxiv.2012.14724 · pith_short_12: XWTAOUVUGNC7 · pith_short_16: XWTAOUVUGNC7ZTFQ · pith_short_8: XWTAOUVU

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/XWTAOUVUGNC7ZTFQREKVQRHIHB \
  | 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: bda60752b43345fcccb089155844e83877e2a15121c719682871a633c9b3b7e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd1df4df3f139b359f43423690631d13df624af044550e54088a379597fa49a0",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "2020-12-29T12:14:27Z",
    "title_canon_sha256": "0e46102a88511a3c762a0a19e7d84e8e62b105461e8ccccda05a6eb42d035408"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.14724",
    "kind": "arxiv",
    "version": 1
  }
}