Pith Number

pith:WTWJT72M

pith:2018:WTWJT72MDVY2YR2TB7CFEGOMYG

not attested not anchored not stored refs pending

Atomic photoionization cross-sections beyond the electric dipole approximation

Iulia Emilia Brumboiu, Olle Eriksson, Patrick Norman

arxiv:1810.08542 v1 · 2018-10-19 · physics.atom-ph · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WTWJT72MDVY2YR2TB7CFEGOMYG}

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	2026-05-17T23:53:25.191404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4ec99ff4c1d71ac47530fc45219ccc198b09791896771e39c491ebb25b61f55

Aliases

arxiv: 1810.08542 · arxiv_version: 1810.08542v1 · doi: 10.48550/arxiv.1810.08542 · pith_short_12: WTWJT72MDVY2 · pith_short_16: WTWJT72MDVY2YR2T · pith_short_8: WTWJT72M

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/WTWJT72MDVY2YR2TB7CFEGOMYG \
  | 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: b4ec99ff4c1d71ac47530fc45219ccc198b09791896771e39c491ebb25b61f55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6285e2b7ce9e38634f11f92ba3707e7b436aefd543759e2220419b330b29a892",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2018-10-19T15:14:55Z",
    "title_canon_sha256": "9d58d239aea54823908ff6ec28d76df2544875113273d371e6f6c7e08a71ae33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.08542",
    "kind": "arxiv",
    "version": 1
  }
}