Pith Number

pith:LB442QWK

pith:2014:LB442QWKOLVNIQGTOWD2SL4D5I

not attested not anchored not stored refs pending

Uniform close-to-convexity radius of sections of functions in the close-to-convex family

S. Ponnusamy, S. V. Bharanedhar

arxiv:1401.6493 v1 · 2014-01-25 · math.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LB442QWKOLVNIQGTOWD2SL4D5I}

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	2026-05-18T03:01:01.615638Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5879cd42ca72ead440d37587a92f83ea38c07135669e36e29a901590e5ca037d

Aliases

arxiv: 1401.6493 · arxiv_version: 1401.6493v1 · doi: 10.48550/arxiv.1401.6493 · pith_short_12: LB442QWKOLVN · pith_short_16: LB442QWKOLVNIQGT · pith_short_8: LB442QWK

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/LB442QWKOLVNIQGTOWD2SL4D5I \
  | 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: 5879cd42ca72ead440d37587a92f83ea38c07135669e36e29a901590e5ca037d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73b93feedf5c9dc25446614b477aa476a792aeec6ecaf506927a20cd50bc5ab6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2014-01-25T03:55:57Z",
    "title_canon_sha256": "598bf7eaee961d38265a90ee992a9ffc7c474d1265f437db4cd218fb6aacf99c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.6493",
    "kind": "arxiv",
    "version": 1
  }
}