Pith. sign in
Pith Number

pith:TYERKTWK

pith:2014:TYERKTWKTNMKZWC4Q27XQQGI77
not attested not anchored not stored refs pending

Electron-impact excitation of Fe$^{2+}$: a comparison of intermediate coupling frame transformation, Breit-Pauli and Dirac R-matrix calculations

C. P. Ballance, N. R. Badnell

arxiv:1402.4743 v1 · 2014-02-19 · astro-ph.GA · physics.atom-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{TYERKTWKTNMKZWC4Q27XQQGI77}

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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 2026-05-18T01:44:36.259523Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

9e09154eca9b58acd85c86bf7840c8ffe6ceb51cb793f70fcb98e0ea906dccba

Aliases

arxiv: 1402.4743 · arxiv_version: 1402.4743v1 · doi: 10.48550/arxiv.1402.4743 · pith_short_12: TYERKTWKTNMK · pith_short_16: TYERKTWKTNMKZWC4 · pith_short_8: TYERKTWK
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/TYERKTWKTNMKZWC4Q27XQQGI77 \
  | 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: 9e09154eca9b58acd85c86bf7840c8ffe6ceb51cb793f70fcb98e0ea906dccba
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "04b7095f4b08d01a4b73745939c9c12649158a58150c8981a23fa175f62c6819",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-02-19T17:54:51Z",
    "title_canon_sha256": "729129fa78c4e80a72f3588e95ad65a4ce3ebc212a22bd96995fa4c6cfeb4879"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.4743",
    "kind": "arxiv",
    "version": 1
  }
}