Pith Number

pith:WZXTHCJV

pith:2017:WZXTHCJVY2YMICSHIYZM74I2TJ

not attested not anchored not stored refs pending

Long-range interactions of hydrogen atoms in excited states. I. 2S-1S interactions and Dirac-delta perturbations

A. Matveev, C. M. Adhikari, N. Kolachevsky, U. D. Jentschura, V. Debierre

arxiv:1701.08812 v1 · 2017-01-30 · 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{WZXTHCJVY2YMICSHIYZM74I2TJ}

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	2026-05-18T00:50:51.706377Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b66f338935c6b0c40a474632cff11a9a5986ca138dd470d61c49f2ff6e9fe6a6

Aliases

arxiv: 1701.08812 · arxiv_version: 1701.08812v1 · doi: 10.48550/arxiv.1701.08812 · pith_short_12: WZXTHCJVY2YM · pith_short_16: WZXTHCJVY2YMICSH · pith_short_8: WZXTHCJV

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/WZXTHCJVY2YMICSHIYZM74I2TJ \
  | 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: b66f338935c6b0c40a474632cff11a9a5986ca138dd470d61c49f2ff6e9fe6a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25fa367d44a3249da633677913d398cc757dd388807a3fb8b9f095f5a11fb769",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2017-01-30T20:15:11Z",
    "title_canon_sha256": "5f0ccaef367ae4cb72295f983ad99415935c77c547f92796e2700199dcdf1b61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.08812",
    "kind": "arxiv",
    "version": 1
  }
}