Pith Number

pith:WJ4X2AMV

pith:2014:WJ4X2AMVYDPTSBWJ3NPJU3DH55

not attested not anchored not stored refs pending

Theory of ball lightning

H.-C. Wu

arxiv:1411.4784 v2 · 2014-11-18 · physics.plasm-ph · physics.ao-ph · physics.geo-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{WJ4X2AMVYDPTSBWJ3NPJU3DH55}

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	2026-05-18T01:08:21.427158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2797d0195c0df3906c9db5e9a6c67ef629960456b348ef4cf6d1715855acf57

Aliases

arxiv: 1411.4784 · arxiv_version: 1411.4784v2 · doi: 10.48550/arxiv.1411.4784 · pith_short_12: WJ4X2AMVYDPT · pith_short_16: WJ4X2AMVYDPTSBWJ · pith_short_8: WJ4X2AMV

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/WJ4X2AMVYDPTSBWJ3NPJU3DH55 \
  | 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: b2797d0195c0df3906c9db5e9a6c67ef629960456b348ef4cf6d1715855acf57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc18b7d5a673b3fa8e091ec0e9da150719f813eb6f94304da1f146c55f2c6f8b",
    "cross_cats_sorted": [
      "physics.ao-ph",
      "physics.geo-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "2014-11-18T09:55:08Z",
    "title_canon_sha256": "4f3bbab3bcef173b7dae4d9d8a0e7a7b482b1432125103804e3a4f0b83f737d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.4784",
    "kind": "arxiv",
    "version": 2
  }
}