Pith Number

pith:7TKKGMPU

pith:2013:7TKKGMPURD2HQMKSWQCH2QIQI6

not attested not anchored not stored refs pending

Bounds for the Second Hankel Determinant of Certain Univalent Functions

Lee See Keong, Shamani Supramaniam, V. Ravichandran

arxiv:1303.0134 v1 · 2013-03-01 · 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{7TKKGMPURD2HQMKSWQCH2QIQI6}

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	2026-05-18T03:32:06.730179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcd4a331f488f4783152b4047d411047b9ab3aace3ee6ce1389e49a8aca54f98

Aliases

arxiv: 1303.0134 · arxiv_version: 1303.0134v1 · doi: 10.48550/arxiv.1303.0134 · pith_short_12: 7TKKGMPURD2H · pith_short_16: 7TKKGMPURD2HQMKS · pith_short_8: 7TKKGMPU

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/7TKKGMPURD2HQMKSWQCH2QIQI6 \
  | 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: fcd4a331f488f4783152b4047d411047b9ab3aace3ee6ce1389e49a8aca54f98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4305f60b592ad99961b4057031849c4a90737042f68ccfdf894d25e17cbe40f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2013-03-01T10:25:26Z",
    "title_canon_sha256": "48732a63f4ca47dd47727b404d19d9d8262734c85bf463c23bbf5b47888dd69e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.0134",
    "kind": "arxiv",
    "version": 1
  }
}