Pith Number

pith:3PYGVY65

pith:2009:3PYGVY65KGBUNBYY4ZQXLNOX7M

not attested not anchored not stored refs pending

Thomas-Fermi scaling in the energy spectra of atomic ions

Augusto Gonzalez (ICIMAF, Havana), Robert Carcasses (UCI

arxiv:0906.4065 v3 · 2009-06-22 · physics.atom-ph · cond-mat.mes-hall · cond-mat.other

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3PYGVY65KGBUNBYY4ZQXLNOX7M}

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	2026-05-18T02:13:13.410308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbf06ae3dd5183468718e66175b5d7fb0abb90d64172569da456521e81a0910e

Aliases

arxiv: 0906.4065 · arxiv_version: 0906.4065v3 · doi: 10.48550/arxiv.0906.4065 · pith_short_12: 3PYGVY65KGBU · pith_short_16: 3PYGVY65KGBUNBYY · pith_short_8: 3PYGVY65

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/3PYGVY65KGBUNBYY4ZQXLNOX7M \
  | 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: dbf06ae3dd5183468718e66175b5d7fb0abb90d64172569da456521e81a0910e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef4943f5d0bc5501a1693492aa27e1317d3d2de4046f4f3e55b6a5c5d1ef5226",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "cond-mat.other"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2009-06-22T17:00:31Z",
    "title_canon_sha256": "e10a008fa4b705ab4d8deab65922545cd3c22a5d2f5f8e451a75e9eb30f397e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.4065",
    "kind": "arxiv",
    "version": 3
  }
}