Pith Number

pith:6GP2YMCK

pith:2007:6GP2YMCKG7DTPY72VHSIYPLXNX

not attested not anchored not stored refs pending

Accurate long-range coefficients for two excited like isotope He atoms: He($2 ^1P$)--He($2 ^1P$), He($2 ^1P$)--He($2 ^3P$), and He($2 ^3P$)--He($2 ^3P$)

D. Vrinceanu, H. R. Sadeghpour, J. F. Babb, J.-Y. Zhang, Z.-C. Yan

arxiv:0705.1604 v1 · 2007-05-11 · physics.atom-ph · physics.comp-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{6GP2YMCKG7DTPY72VHSIYPLXNX}

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	2026-07-04T15:03:22.049906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f19fac304a37c737e3faa9e48c3d776dd876d56114c8610ded99c21e8e703305

Aliases

arxiv: 0705.1604 · arxiv_version: 0705.1604v1 · doi: 10.48550/arxiv.0705.1604 · pith_short_12: 6GP2YMCKG7DT · pith_short_16: 6GP2YMCKG7DTPY72 · pith_short_8: 6GP2YMCK

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/6GP2YMCKG7DTPY72VHSIYPLXNX \
  | 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: f19fac304a37c737e3faa9e48c3d776dd876d56114c8610ded99c21e8e703305

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7ed2c058d7ac0d73ac16730519fb587e4513be6a38db6d60be992142f9bae68",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2007-05-11T08:53:10Z",
    "title_canon_sha256": "4d205cc18835dfbc83a9d9e0cd7a4a367b529d37deda5b23cbcfb2c8af9a329d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0705.1604",
    "kind": "arxiv",
    "version": 1
  }
}