Pith Number

pith:NF5OUR3O

pith:2019:NF5OUR3O4RUJNY6PRR6RINDYOA

not attested not anchored not stored refs pending

Faber polynomial coefficient estimation of subclass of bi-subordinate univalent functions

Alaa H. El-Qadeem, Mohamed A. Mamon, S.A. Saleh

arxiv:1908.07349 v6 · 2019-08-08 · 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{NF5OUR3O4RUJNY6PRR6RINDYOA}

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	2026-07-05T03:59:36.518551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

697aea476ee46896e3cf8c7d143478700d7b09831df0b1bba9938d7d3cdadff2

Aliases

arxiv: 1908.07349 · arxiv_version: 1908.07349v6 · doi: 10.48550/arxiv.1908.07349 · pith_short_12: NF5OUR3O4RUJ · pith_short_16: NF5OUR3O4RUJNY6P · pith_short_8: NF5OUR3O

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/NF5OUR3O4RUJNY6PRR6RINDYOA \
  | 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: 697aea476ee46896e3cf8c7d143478700d7b09831df0b1bba9938d7d3cdadff2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b40ebcc856cff4485fc4bd337677789edff5764d8fe083270ff5a851f162e26d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2019-08-08T12:37:00Z",
    "title_canon_sha256": "30bfd653e7cec7c8587449351c8652623b77a2f51079a68617aae2b9be060a54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07349",
    "kind": "arxiv",
    "version": 6
  }
}