pith. sign in
Pith Number

pith:6Z5NOEQ7

pith:2013:6Z5NOEQ7PAHYQO2Q36K7W5VWTJ
not attested not anchored not stored refs pending

Determining Singularities Using Row Sequences of Pad\'e-orthogonal Approximants

E.B. Saff, G. L\'opez Lagomasino, N. Bosuwan

arxiv:1306.0209 v1 · 2013-06-02 · math.CV

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{6Z5NOEQ7PAHYQO2Q36K7W5VWTJ}

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 2026-05-18T03:21:55.790765Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f67ad7121f780f883b50df95fb76b69a7261ba7a96799c7e83d09f118ca4fca4

Aliases

arxiv: 1306.0209 · arxiv_version: 1306.0209v1 · doi: 10.48550/arxiv.1306.0209 · pith_short_12: 6Z5NOEQ7PAHY · pith_short_16: 6Z5NOEQ7PAHYQO2Q · pith_short_8: 6Z5NOEQ7
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/6Z5NOEQ7PAHYQO2Q36K7W5VWTJ \
  | 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: f67ad7121f780f883b50df95fb76b69a7261ba7a96799c7e83d09f118ca4fca4
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "5550056b796d29ff2a0af011b33e78d0562c07e8d2e8773ef867d3a6f32999af",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2013-06-02T13:24:36Z",
    "title_canon_sha256": "1f44ab6f010f64e68a79e02b86ac77a04f4481460fa9c19453ce8ee19e2f3e62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.0209",
    "kind": "arxiv",
    "version": 1
  }
}