Pith Number

pith:X475PZ36

pith:2013:X475PZ3665MOJUAXJR2FWFNGIM

not attested not anchored not stored refs pending

Singlet and triplet bound state spectra in the four-electron Be-like atomic systems

Alexei M. Frolov, Federico Latorre, Maria Belen Ruiz

arxiv:1311.2440 v4 · 2013-11-11 · 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{X475PZ3665MOJUAXJR2FWFNGIM}

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	2026-05-18T02:17:12.450079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf3fd7e77ef758e4d0174c745b15a6433d7e0a5e10b03fc50888de6f17ebb58c

Aliases

arxiv: 1311.2440 · arxiv_version: 1311.2440v4 · doi: 10.48550/arxiv.1311.2440 · pith_short_12: X475PZ3665MO · pith_short_16: X475PZ3665MOJUAX · pith_short_8: X475PZ36

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/X475PZ3665MOJUAXJR2FWFNGIM \
  | 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: bf3fd7e77ef758e4d0174c745b15a6433d7e0a5e10b03fc50888de6f17ebb58c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9072bd30b0ee67499ca7df879fa85e745953a74856b8910821b4042ccc4e5302",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2013-11-11T13:48:19Z",
    "title_canon_sha256": "a8f53a6bc591d627ec499cf48ec34dd5292ae543c406434bff1fa937b522eac8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.2440",
    "kind": "arxiv",
    "version": 4
  }
}