Pith Number

pith:XDFJQ35J

pith:2018:XDFJQ35J7T6ZLBGBGFEI7FBXUA

not attested not anchored not stored refs pending

Radii of convexity of integral operators

A. Ebadian, P. Najmadi, Sh. Najafzadeh

arxiv:1804.03868 v1 · 2018-04-11 · 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{XDFJQ35J7T6ZLBGBGFEI7FBXUA}

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	2026-05-18T00:18:42.815487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8ca986fa9fcfd9584c131488f9437a02a5ae6e6a89643d7409287e4fa3aec50

Aliases

arxiv: 1804.03868 · arxiv_version: 1804.03868v1 · doi: 10.48550/arxiv.1804.03868 · pith_short_12: XDFJQ35J7T6Z · pith_short_16: XDFJQ35J7T6ZLBGB · pith_short_8: XDFJQ35J

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/XDFJQ35J7T6ZLBGBGFEI7FBXUA \
  | 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: b8ca986fa9fcfd9584c131488f9437a02a5ae6e6a89643d7409287e4fa3aec50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16ad439994d033f61366c1c3e89cc70f7ca40b939c92d92bb2dd3697a21473f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2018-04-11T08:30:21Z",
    "title_canon_sha256": "98f33f361f8f4a8de77d1d063e54ac3780ab051a31bb74769ff5b5452dcc94ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.03868",
    "kind": "arxiv",
    "version": 1
  }
}