Pith Number

pith:E6KKO7UF

pith:2010:E6KKO7UFEGQQ2HIJP6KKSECNBU

not attested not anchored not stored refs pending

On Pseudo-Convex Partitions of a Planar Point Set

Bhaswar B. Bhattacharya, Sandip Das

arxiv:1011.1866 v2 · 2010-11-08 · 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{E6KKO7UFEGQQ2HIJP6KKSECNBU}

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	2026-05-18T02:23:37.310571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2794a77e8521a10d1d097f94a9104d0d22f69b1acd7bf7cb66affa4d5c8f0c39

Aliases

arxiv: 1011.1866 · arxiv_version: 1011.1866v2 · doi: 10.48550/arxiv.1011.1866 · pith_short_12: E6KKO7UFEGQQ · pith_short_16: E6KKO7UFEGQQ2HIJ · pith_short_8: E6KKO7UF

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/E6KKO7UFEGQQ2HIJP6KKSECNBU \
  | 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: 2794a77e8521a10d1d097f94a9104d0d22f69b1acd7bf7cb66affa4d5c8f0c39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52b05f31c9f63903781f1bff6d9799b495a822b5238167148a47e1ae5c7455e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2010-11-08T18:39:40Z",
    "title_canon_sha256": "8922ba5c4085a443a23878b9a567810d08be6663f6aed9530ec1311d1b9f31fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.1866",
    "kind": "arxiv",
    "version": 2
  }
}