Pith Number

pith:H3RG4GQX

pith:2010:H3RG4GQX6UDY5QSLAZ5RP42QHI

not attested not anchored not stored refs pending

On the Fekete-Szeg\"o problem for concave univalent functions

B. Bhowmik, K-J. Wirths, S. Ponnusamy

arxiv:1011.3887 v1 · 2010-11-17 · 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{H3RG4GQX6UDY5QSLAZ5RP42QHI}

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	2026-05-18T04:35:47.382976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ee26e1a17f5078ec24b067b17f3503a23bc4b8ed0eb19ba38990741be45b79b

Aliases

arxiv: 1011.3887 · arxiv_version: 1011.3887v1 · doi: 10.48550/arxiv.1011.3887 · pith_short_12: H3RG4GQX6UDY · pith_short_16: H3RG4GQX6UDY5QSL · pith_short_8: H3RG4GQX

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/H3RG4GQX6UDY5QSLAZ5RP42QHI \
  | 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: 3ee26e1a17f5078ec24b067b17f3503a23bc4b8ed0eb19ba38990741be45b79b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7e3de03b1029fd5a61825039340949d70fa89d0f55d98f229b36215ea0660d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2010-11-17T05:21:18Z",
    "title_canon_sha256": "fe3f35645bd30c66c2266ba5c2d9b0d628eb2025ab9672524ddeab2bb61df566"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.3887",
    "kind": "arxiv",
    "version": 1
  }
}