Pith Number

pith:BQUEG7DC

pith:2018:BQUEG7DC6EZ44DYYTIJHJ4KTMI

not attested not anchored not stored refs pending

Nonrelativistic energy levels of helium atom

A.K. Bekbaev, D.T. Aznabaev, Vladimir I. Korobov

arxiv:1810.11288 v1 · 2018-10-26 · 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{BQUEG7DC6EZ44DYYTIJHJ4KTMI}

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	2026-05-18T00:02:14.599439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c28437c62f133ce0f189a1274f153621295f538021b01451c9e61ff8f39def2

Aliases

arxiv: 1810.11288 · arxiv_version: 1810.11288v1 · doi: 10.48550/arxiv.1810.11288 · pith_short_12: BQUEG7DC6EZ4 · pith_short_16: BQUEG7DC6EZ44DYY · pith_short_8: BQUEG7DC

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/BQUEG7DC6EZ44DYYTIJHJ4KTMI \
  | 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: 0c28437c62f133ce0f189a1274f153621295f538021b01451c9e61ff8f39def2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2dc356365af1bed09f7528c0cbd98bbcada6062b77bd17b39cedecc8ba08bc03",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2018-10-26T12:28:12Z",
    "title_canon_sha256": "71971db11d66431d68d874ad3e2e48737a139dba133a90613221f3c89995bfd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.11288",
    "kind": "arxiv",
    "version": 1
  }
}