pith. sign in
Pith Number

pith:YXM7NWLM

pith:2018:YXM7NWLMB67AJWG6TISQFWGYQZ
not attested not anchored not stored refs pending

Explicit Green operators for quantum mechanical Hamiltonians.~II.~ Edge type singularities of the helium atom

Bert-Wolfgang Schulze, Gohar Flad-Harutyunyan, Heinz-Juergen Flad

arxiv:1801.07552 v1 · 2018-01-23 · math-ph · math.MP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{YXM7NWLMB67AJWG6TISQFWGYQZ}

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 2026-05-18T00:25:12.588236Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c5d9f6d96c0fbe04d8de9a2502d8d8867b83ee37db77cab6fa75f6a17a5f415d

Aliases

arxiv: 1801.07552 · arxiv_version: 1801.07552v1 · doi: 10.48550/arxiv.1801.07552 · pith_short_12: YXM7NWLMB67A · pith_short_16: YXM7NWLMB67AJWG6 · pith_short_8: YXM7NWLM
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/YXM7NWLMB67AJWG6TISQFWGYQZ \
  | 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: c5d9f6d96c0fbe04d8de9a2502d8d8867b83ee37db77cab6fa75f6a17a5f415d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "8e2e9f1e55e16051e5445e2a825cf8309a194c3056eecbd50b03e8ae8838b3e0",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2018-01-23T14:21:26Z",
    "title_canon_sha256": "6fce0878df5e1ad685a771da9df64b9ccb13882741677d5e9962585d2280fe52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.07552",
    "kind": "arxiv",
    "version": 1
  }
}