Pith Number

pith:E22D6YAU

pith:2009:E22D6YAU3INDFKPNNUAMFNOOSI

not attested not anchored not stored refs pending

On different extremal bases for $\CC$-convex domains

Nikolai Nikolov, Pascal J. Thomas, Peter Pflug

arxiv:0912.4828 v3 · 2009-12-24 · 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{E22D6YAU3INDFKPNNUAMFNOOSI}

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	2026-05-18T02:51:23.794332Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26b43f6014da1a32a9ed6d00c2b5ce922ef84ddd456d001581235628efa26779

Aliases

arxiv: 0912.4828 · arxiv_version: 0912.4828v3 · doi: 10.48550/arxiv.0912.4828 · pith_short_12: E22D6YAU3IND · pith_short_16: E22D6YAU3INDFKPN · pith_short_8: E22D6YAU

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/E22D6YAU3INDFKPNNUAMFNOOSI \
  | 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: 26b43f6014da1a32a9ed6d00c2b5ce922ef84ddd456d001581235628efa26779

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93ca218ebf3bf2140d767d3658210224723346e4ee5d07e94694957e0095d991",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2009-12-24T11:01:01Z",
    "title_canon_sha256": "67ba4246e5e1b4379df7260e8d490681619512410b834f6a5a0c56f0d8b7cfd1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.4828",
    "kind": "arxiv",
    "version": 3
  }
}