Pith Number

pith:PLIHPQ6Z

pith:2018:PLIHPQ6ZPTQV4ZFHNRDCND47JL

not attested not anchored not stored refs pending

Electron-impact excitation and ionization of atomic calcium at intermediate energies

Henry Parker, Klaus Bartschat, Oleg Zatsarinny

arxiv:1811.07176 v1 · 2018-11-17 · 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{PLIHPQ6ZPTQV4ZFHNRDCND47JL}

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.

Cited by

1 paper in Pith

The chemical make-up of the Sun: A 2020 vision

Receipt and verification

First computed	2026-05-17T23:56:16.910725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ad077c3d97ce15e64a76c46268f9f4ac3ee805c80354144280d9ec45dcefa9f

Aliases

arxiv: 1811.07176 · arxiv_version: 1811.07176v1 · doi: 10.48550/arxiv.1811.07176 · pith_short_12: PLIHPQ6ZPTQV · pith_short_16: PLIHPQ6ZPTQV4ZFH · pith_short_8: PLIHPQ6Z

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/PLIHPQ6ZPTQV4ZFHNRDCND47JL \
  | 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: 7ad077c3d97ce15e64a76c46268f9f4ac3ee805c80354144280d9ec45dcefa9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4b3856001d4044b4a19c47f71af189699baa6677ea6028e52ab09da807f128c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2018-11-17T15:16:05Z",
    "title_canon_sha256": "cece40caa8ef56ceeb279a528af6f943dce2663f883cc6883b0f284034534497"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.07176",
    "kind": "arxiv",
    "version": 1
  }
}