Pith Number

pith:VPY2JKLU

pith:2009:VPY2JKLUQBB4H5WECICJLF2L6S

not attested not anchored not stored refs pending

How spherical plasma crystals form

H. Kaehlert, M. Bonitz

arxiv:0909.2148 v1 · 2009-09-11 · physics.plasm-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{VPY2JKLUQBB4H5WECICJLF2L6S}

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	2026-05-18T02:11:57.026943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abf1a4a9748043c3f6c4120495974bf4997a2faf2c9d233f68155d4392f9fee8

Aliases

arxiv: 0909.2148 · arxiv_version: 0909.2148v1 · doi: 10.48550/arxiv.0909.2148 · pith_short_12: VPY2JKLUQBB4 · pith_short_16: VPY2JKLUQBB4H5WE · pith_short_8: VPY2JKLU

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/VPY2JKLUQBB4H5WECICJLF2L6S \
  | 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: abf1a4a9748043c3f6c4120495974bf4997a2faf2c9d233f68155d4392f9fee8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f896da8656246502c188db3b4d410ba5d148a22c19d622f1955fa895f12e503d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "2009-09-11T11:25:39Z",
    "title_canon_sha256": "359af05a3e14d4f5f81502ba9f73b1cdc5352b579ff5cee7f562c7f170d85365"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2148",
    "kind": "arxiv",
    "version": 1
  }
}