Pith Number

pith:WMMVS7VS

pith:2008:WMMVS7VS4HIQT4FAM2BAFSJFX4

not attested not anchored not stored refs pending

Why does the recently proposed simple empirical formula for the lowest excitation energies work so well?

Dongwoo Cha, Guanghao Jin, Jin-Hee Yoon

arxiv:0801.4252 v1 · 2008-01-28 · nucl-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WMMVS7VS4HIQT4FAM2BAFSJFX4}

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	2026-05-18T02:16:01.515701Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b319597eb2e1d109f0a0668202c925bf1cfe4e0a942f32e1eb52870e1ae8b572

Aliases

arxiv: 0801.4252 · arxiv_version: 0801.4252v1 · doi: 10.48550/arxiv.0801.4252 · pith_short_12: WMMVS7VS4HIQ · pith_short_16: WMMVS7VS4HIQT4FA · pith_short_8: WMMVS7VS

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/WMMVS7VS4HIQT4FAM2BAFSJFX4 \
  | 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: b319597eb2e1d109f0a0668202c925bf1cfe4e0a942f32e1eb52870e1ae8b572

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f7434e52d98d2c112631098cba2893c8d5ae75aede1780a0e191642d9e4c43e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nucl-th",
    "submitted_at": "2008-01-28T12:12:17Z",
    "title_canon_sha256": "9baf491f56a0a5acc9647c0bc255cd8ef3cd06eb69d4ce6e44533a152533657d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.4252",
    "kind": "arxiv",
    "version": 1
  }
}