pith. sign in
Pith Number

pith:WHA7MNOW

pith:2013:WHA7MNOWREQYVTIYTVZP3LVFQG
not attested not anchored not stored refs pending

Delaunay variables approach to the elimination of the perigee

Juan F. San-Juan, Luis M. L\'opez-Ochoa, Martin Lara

arxiv:1312.7577 v3 · 2013-12-29 · nlin.CD

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{WHA7MNOWREQYVTIYTVZP3LVFQG}

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 2026-05-18T02:25:04.836489Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b1c1f635d689218acd189d72fdaea58192113766ce9084a0432866fb4d1fe3b5

Aliases

arxiv: 1312.7577 · arxiv_version: 1312.7577v3 · doi: 10.48550/arxiv.1312.7577 · pith_short_12: WHA7MNOWREQY · pith_short_16: WHA7MNOWREQYVTIY · pith_short_8: WHA7MNOW
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/WHA7MNOWREQYVTIYTVZP3LVFQG \
  | 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: b1c1f635d689218acd189d72fdaea58192113766ce9084a0432866fb4d1fe3b5
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0abaf550cb6db5b12282ce041f5742c3210c07419ee8f440a7a87bdcb239054a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2013-12-29T19:22:08Z",
    "title_canon_sha256": "288ec1aee15f6d1332952a52131470540d8ec62279f7f5f224e2b8e953bd1647"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.7577",
    "kind": "arxiv",
    "version": 3
  }
}