Pith Number

pith:HU3RQ4WD

pith:1999:HU3RQ4WDZNN5TT4KPG32FRLUUA

not attested not anchored not stored refs pending

Time-dependent calculation of ionization in Potassium at mid-infrared wavelengths

E. Cormier, P. Lambropoulos, P. Maragakis

arxiv:physics/9904053 v2 · 1999-04-24 · physics.atom-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{HU3RQ4WDZNN5TT4KPG32FRLUUA}

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	2026-07-04T16:15:34.668756Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d371872c3cb5bd9cf8a79b7a2c574a02c62377e361c8a7a6cc368d408ac14ce

Aliases

arxiv: physics/9904053 · arxiv_version: physics/9904053v2 · doi: 10.48550/arxiv.physics/9904053 · pith_short_12: HU3RQ4WDZNN5 · pith_short_16: HU3RQ4WDZNN5TT4K · pith_short_8: HU3RQ4WD

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/HU3RQ4WDZNN5TT4KPG32FRLUUA \
  | 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: 3d371872c3cb5bd9cf8a79b7a2c574a02c62377e361c8a7a6cc368d408ac14ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97320564419e90f202edee502dc007d196665eb47917de96b49540819b640127",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "1999-04-24T16:51:41Z",
    "title_canon_sha256": "463ebd1c4dd112b4393f3366ec825df6951dd0b92fb11f6c52c0501f16bee1a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/9904053",
    "kind": "arxiv",
    "version": 2
  }
}