Pith Number

pith:KOS7JCOT

pith:2018:KOS7JCOT5F7QBQ2WMOOLEQHC7J

not attested not anchored not stored refs pending

A Quantitative Comparison of Opacities Calculated Using the Distorted- Wave and $\boldsymbol{R}$-Matrix Methods

C. J. Zeippen, C. P. Ballance, C. Ramsbottom, F. Delahaye, M. Turkington, N. R. Badnell, P. Palmeri, P. Quinet, R. T. Smyth, S. Preval

arxiv:1804.03365 v1 · 2018-04-10 · astro-ph.SR · 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{KOS7JCOT5F7QBQ2WMOOLEQHC7J}

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	2026-05-18T00:18:48.433450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53a5f489d3e97f00c356639cb240e2fa7eaa8d9ad882aa6a184aba62b3a95a4a

Aliases

arxiv: 1804.03365 · arxiv_version: 1804.03365v1 · doi: 10.48550/arxiv.1804.03365 · pith_short_12: KOS7JCOT5F7Q · pith_short_16: KOS7JCOT5F7QBQ2W · pith_short_8: KOS7JCOT

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/KOS7JCOT5F7QBQ2WMOOLEQHC7J \
  | 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: 53a5f489d3e97f00c356639cb240e2fa7eaa8d9ad882aa6a184aba62b3a95a4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80a9fe8f5f6b4b8b5afa9959a79bb3ecf18c8234ba37304ca3b41be6c91c0480",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-04-10T06:53:07Z",
    "title_canon_sha256": "94fa137dba3f8534fed0975e87728d92a7edd2fc0adfb74b0001ba4f502193f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.03365",
    "kind": "arxiv",
    "version": 1
  }
}