Pith Number

pith:4VOJFDF4

pith:2015:4VOJFDF4NMK3GACGVJ56CKA3O5

not attested not anchored not stored refs pending

Photoionization of the valence shells of the neutral tungsten atom

Brendan M McLaughlin, Connor P Ballance

arxiv:1502.07188 v1 · 2015-02-25 · 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{4VOJFDF4NMK3GACGVJ56CKA3O5}

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	2026-05-18T01:40:54.559403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e55c928cbc6b15b30046aa7be1281b777cca328f5a22b90b2f1b25986d037dcf

Aliases

arxiv: 1502.07188 · arxiv_version: 1502.07188v1 · doi: 10.48550/arxiv.1502.07188 · pith_short_12: 4VOJFDF4NMK3 · pith_short_16: 4VOJFDF4NMK3GACG · pith_short_8: 4VOJFDF4

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/4VOJFDF4NMK3GACGVJ56CKA3O5 \
  | 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: e55c928cbc6b15b30046aa7be1281b777cca328f5a22b90b2f1b25986d037dcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c0d686d9b273e7b7c23a7f346277f6ee90ab5dbefdaf2cee1acc9ea9e682f75",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2015-02-25T14:53:07Z",
    "title_canon_sha256": "df1041dc7ed4186a05021ddd1407139d3553e34f669d4bf860f1d1309d092d64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07188",
    "kind": "arxiv",
    "version": 1
  }
}