Pith Number

pith:4KCL2LVL

pith:2017:4KCL2LVLQ4VJJNFZ4HLX2GUGV7

not attested not anchored not stored refs pending

First order differential subordination for functions with positive real part

O. P. Ahuja, Sushil Kumar, V. Ravichandran

arxiv:1703.03590 v1 · 2017-03-10 · 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{4KCL2LVLQ4VJJNFZ4HLX2GUGV7}

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	2026-05-18T00:48:58.639051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e284bd2eab872a94b4b9e1d77d1a86afcc3064c9d6e1c41da5152313a66a43eb

Aliases

arxiv: 1703.03590 · arxiv_version: 1703.03590v1 · doi: 10.48550/arxiv.1703.03590 · pith_short_12: 4KCL2LVLQ4VJ · pith_short_16: 4KCL2LVLQ4VJJNFZ · pith_short_8: 4KCL2LVL

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/4KCL2LVLQ4VJJNFZ4HLX2GUGV7 \
  | 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: e284bd2eab872a94b4b9e1d77d1a86afcc3064c9d6e1c41da5152313a66a43eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b31d7d92867ff2f3912ed664f031bf233d61175e74a67e37fcc4ec2c7d68a0f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2017-03-10T09:27:34Z",
    "title_canon_sha256": "185e591667280af74ba68c6c680ab33934a0de23f57e16e609af477b9fd0f994"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.03590",
    "kind": "arxiv",
    "version": 1
  }
}