Pith Number

pith:WPSEXIZ3

pith:2011:WPSEXIZ3PWW5ABIYQQJSNG66ZO

not attested not anchored not stored refs pending

Classical Helium Atom with Radiation Reaction

A. Carati, G. Camelio, L. Galgani

arxiv:1111.5794 v1 · 2011-11-24 · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WPSEXIZ3PWW5ABIYQQJSNG66ZO}

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	2026-05-18T01:59:25.771141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3e44ba33b7dadd005188413269bdecbad3444d84d74e0cf96babf83c220e198

Aliases

arxiv: 1111.5794 · arxiv_version: 1111.5794v1 · doi: 10.48550/arxiv.1111.5794 · pith_short_12: WPSEXIZ3PWW5 · pith_short_16: WPSEXIZ3PWW5ABIY · pith_short_8: WPSEXIZ3

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/WPSEXIZ3PWW5ABIYQQJSNG66ZO \
  | 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: b3e44ba33b7dadd005188413269bdecbad3444d84d74e0cf96babf83c220e198

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c801c26beac8c0a9ffe87d3b7504c0181d6c5f6e3ace3271d215a0d190475e3",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2011-11-24T15:21:06Z",
    "title_canon_sha256": "4eeaf7cf1a20e32418bfc6b6eabac937cabfd6bd36354859c7ae44813c7a5ab4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.5794",
    "kind": "arxiv",
    "version": 1
  }
}