Pith Number

pith:PPHE5TPL

pith:2018:PPHE5TPLHSRUMTFCX4PKWZNS4Q

not attested not anchored not stored refs pending

Estimating the Koebe radius for polynomials

Alex Stokolos, Andrey Smorodin, Dmitriy Dmitrishin

arxiv:1805.06927 v1 · 2018-05-17 · 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{PPHE5TPLHSRUMTFCX4PKWZNS4Q}

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	2026-05-18T00:15:42.699843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bce4ecdeb3ca3464ca2bf1eab65b2e402d794751e87d57ee49d1baa1c6b7603

Aliases

arxiv: 1805.06927 · arxiv_version: 1805.06927v1 · doi: 10.48550/arxiv.1805.06927 · pith_short_12: PPHE5TPLHSRU · pith_short_16: PPHE5TPLHSRUMTFC · pith_short_8: PPHE5TPL

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/PPHE5TPLHSRUMTFCX4PKWZNS4Q \
  | 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: 7bce4ecdeb3ca3464ca2bf1eab65b2e402d794751e87d57ee49d1baa1c6b7603

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b83a5112046a193913f151cd241f0e48a68335b36896b57c8ff3e8034940d298",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2018-05-17T19:00:16Z",
    "title_canon_sha256": "eefdef592ebd44e900d2979372b272cbbdf2c68319dc958cb697f72cb64ef63d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.06927",
    "kind": "arxiv",
    "version": 1
  }
}