Pith Number

pith:LOPXUMAY

pith:2013:LOPXUMAY7LZKKR3Y6V6Y2W2B3D

not attested not anchored not stored refs pending

Energy levels, radiative rates and electron impact excitation rates for transitions in Al X

F.P. Keenan, K.M. Aggarwal

arxiv:1311.5516 v1 · 2013-11-21 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LOPXUMAY7LZKKR3Y6V6Y2W2B3D}

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	2026-05-18T01:46:07.198400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b9f7a3018faf2a54778f57d8d5b41d8e4d75ff15dfd6444fd74dc03d777fb44

Aliases

arxiv: 1311.5516 · arxiv_version: 1311.5516v1 · doi: 10.48550/arxiv.1311.5516 · pith_short_12: LOPXUMAY7LZK · pith_short_16: LOPXUMAY7LZKKR3Y · pith_short_8: LOPXUMAY

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/LOPXUMAY7LZKKR3Y6V6Y2W2B3D \
  | 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: 5b9f7a3018faf2a54778f57d8d5b41d8e4d75ff15dfd6444fd74dc03d777fb44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "979fbecda9a83d9e9d9a1e79cf21766b2a1d34e636c5fca6f8db5dd851ca5477",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-11-21T19:01:12Z",
    "title_canon_sha256": "67a832482d9229267beeee4f321811c3cd86a88bb4cb7b83b4176575d529119e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.5516",
    "kind": "arxiv",
    "version": 1
  }
}