Pith Number

pith:4OQU2TIE

pith:2025:4OQU2TIEXGPBKG4FMVRY35QCHA

not attested not anchored not stored refs pending

Ionization rate vs. laser intensity determined from ion count vs. peak intensity due to neutral gas exposure to an 800 nm ultrashort pulsed laser

Edward L. Ruden

arxiv:2508.07500 v3 · 2025-08-10 · physics.atom-ph · physics.optics · 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{4OQU2TIEXGPBKG4FMVRY35QCHA}

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	2026-07-16T00:21:41.012705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3a14d4d04b99e151b8565638df602380e500917c9f36372ba21b6a3861bec81

Aliases

arxiv: 2508.07500 · arxiv_version: 2508.07500v3 · doi: 10.48550/arxiv.2508.07500 · pith_short_12: 4OQU2TIEXGPB · pith_short_16: 4OQU2TIEXGPBKG4F · pith_short_8: 4OQU2TIE

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/4OQU2TIEXGPBKG4FMVRY35QCHA \
  | 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: e3a14d4d04b99e151b8565638df602380e500917c9f36372ba21b6a3861bec81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e089afe1955e7025f214ea8bcf6192bad0509dcec4cd7c1d9ce4969c05093884",
    "cross_cats_sorted": [
      "physics.optics",
      "physics.plasm-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2025-08-10T22:26:18Z",
    "title_canon_sha256": "fc336a44a1d0eeaccaf932e26efbb818f38810e9deac30c6f367bb9df7ed5bf9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.07500",
    "kind": "arxiv",
    "version": 3
  }
}