Pith Number

pith:3VWCER6A

pith:2013:3VWCER6AULSOTTESGGEF3KEYDC

not attested not anchored not stored refs pending

New Strong Line Abundance Diagnostics for \HII Regions: Effects of $\kappa$-Distributed Electron Energies and New Atomic Data

David C. Nicholls, Fr\'ed\'eric P. A. Vogt, Lisa J. Kewley, Michael A. Dopita, Ralph S. Sutherland

arxiv:1307.5950 v1 · 2013-07-23 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3VWCER6AULSOTTESGGEF3KEYDC}

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	2026-05-18T01:48:41.340106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd6c2247c0a2e4e9cc9231885da89818a80efb26eb080a6067668400d9913812

Aliases

arxiv: 1307.5950 · arxiv_version: 1307.5950v1 · doi: 10.48550/arxiv.1307.5950 · pith_short_12: 3VWCER6AULSO · pith_short_16: 3VWCER6AULSOTTES · pith_short_8: 3VWCER6A

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/3VWCER6AULSOTTESGGEF3KEYDC \
  | 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: dd6c2247c0a2e4e9cc9231885da89818a80efb26eb080a6067668400d9913812

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3813d1a208e127530b99492dde8c94e1d1f98440bec4951d8e238358c2d480c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-07-23T05:43:06Z",
    "title_canon_sha256": "911c70de1d920684fb037d773639fbcb8f91f64a567ff63b8a8ba7537ce462a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.5950",
    "kind": "arxiv",
    "version": 1
  }
}