Pith Number

pith:RWA22ZWU

pith:2011:RWA22ZWUN6TMVTDWXESOPDV5PT

not attested not anchored not stored refs pending

Ball and Spindle Convexity with respect to a Convex Body

Istv\'an Talata, M\'arton Nasz\'odi, Zsolt L\'angi

arxiv:1110.4823 v3 · 2011-10-21 · math.MG · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RWA22ZWUN6TMVTDWXESOPDV5PT}

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	2026-05-18T03:46:16.914589Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d81ad66d46fa6cacc76b924e78ebd7cc2250f5585aa40c9a38a6f0ea3c5a9d1

Aliases

arxiv: 1110.4823 · arxiv_version: 1110.4823v3 · doi: 10.48550/arxiv.1110.4823 · pith_short_12: RWA22ZWUN6TM · pith_short_16: RWA22ZWUN6TMVTDW · pith_short_8: RWA22ZWU

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/RWA22ZWUN6TMVTDWXESOPDV5PT \
  | 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: 8d81ad66d46fa6cacc76b924e78ebd7cc2250f5585aa40c9a38a6f0ea3c5a9d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d251267c8fb307ff9d664420373a0a9642e790b5c57b7dce5b2b28d4138ad02",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2011-10-21T15:24:47Z",
    "title_canon_sha256": "63f8cece97e844aeb1350668da55a565af2b27bed870b68f8bbbc60f55fc2d49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.4823",
    "kind": "arxiv",
    "version": 3
  }
}