Pith Number

pith:6UYEQK2I

pith:2019:6UYEQK2IMW2R36E46GLR4BDHQC

not attested not anchored not stored refs pending

On maximum principles for radial solutions to nonlinear elliptic PDE's via Opial-type inequalities

Agnieszka Ka{\l}amajska, Anna Kosiorek

arxiv:1908.08915 v1 · 2019-08-23 · math.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6UYEQK2IMW2R36E46GLR4BDHQC}

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	2026-07-04T23:59:25.201823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f530482b4865b51df89cf1971e046780863338fb6d663af8e80393fd49c3dcff

Aliases

arxiv: 1908.08915 · arxiv_version: 1908.08915v1 · doi: 10.48550/arxiv.1908.08915 · pith_short_12: 6UYEQK2IMW2R · pith_short_16: 6UYEQK2IMW2R36E4 · pith_short_8: 6UYEQK2I

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/6UYEQK2IMW2R36E46GLR4BDHQC \
  | 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: f530482b4865b51df89cf1971e046780863338fb6d663af8e80393fd49c3dcff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57dbe81b541316155d1712695e976a58b5284432f49d73551eff289ab33322a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-08-23T17:38:58Z",
    "title_canon_sha256": "4fe20ec35cac6a5a46e8a197df7b5c55c4a1e89c8fba91a611d5b8820be4ce17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08915",
    "kind": "arxiv",
    "version": 1
  }
}