Pith Number

pith:J7SARIOX

pith:2019:J7SARIOXSQEQBYTO3RJDNS6B47

not attested not anchored not stored refs pending

New upper bounds of the third Hankel determinant for some classes of univalent functions

Milutin Obradovic, Nikola Tuneski

arxiv:1911.10770 v3 · 2019-11-25 · math.CV

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\usepackage{pith}
\pithnumber{J7SARIOXSQEQBYTO3RJDNS6B47}

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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.

Cited by

1 paper in Pith

An improvement of the estimates of the modulus of the Hankel determinants of second and third order for the class $\mathcal{S}$ of univalent functions

Receipt and verification

First computed	2026-07-05T01:41:15.914391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fe408a1d7940900e26edc5236cbc1e7eb8306cce586254ae1ae43f6ff689340

Aliases

arxiv: 1911.10770 · arxiv_version: 1911.10770v3 · doi: 10.48550/arxiv.1911.10770 · pith_short_12: J7SARIOXSQEQ · pith_short_16: J7SARIOXSQEQBYTO · pith_short_8: J7SARIOX

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/J7SARIOXSQEQBYTO3RJDNS6B47 \
  | 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: 4fe408a1d7940900e26edc5236cbc1e7eb8306cce586254ae1ae43f6ff689340

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcfc73b6a33221b84b96af08a7743f2e1ed95855c93734718e785357711f2194",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2019-11-25T08:54:01Z",
    "title_canon_sha256": "d35b4dae790742c7b6be3580f826ca5eb85f5d9f1176a7a160697a8dd2863d05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.10770",
    "kind": "arxiv",
    "version": 3
  }
}