Pith Number

pith:4473CXDK

pith:2011:4473CXDKF2OHUOA32TY2WBA4QN

not attested not anchored not stored refs pending

How to Cover a Point Set with a V-Shape of Minimum Width

Boris Aronov, Muriel Dulieu

arxiv:1108.2063 v1 · 2011-08-09 · cs.CG · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4473CXDKF2OHUOA32TY2WBA4QN}

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	2026-05-18T04:15:49.447669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e73fb15c6a2e9c7a381bd4f1ab041c834a3eea6760e93fc8521ced4c14981c6d

Aliases

arxiv: 1108.2063 · arxiv_version: 1108.2063v1 · doi: 10.48550/arxiv.1108.2063 · pith_short_12: 4473CXDKF2OH · pith_short_16: 4473CXDKF2OHUOA3 · pith_short_8: 4473CXDK

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/4473CXDKF2OHUOA32TY2WBA4QN \
  | 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: e73fb15c6a2e9c7a381bd4f1ab041c834a3eea6760e93fc8521ced4c14981c6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "362b16bfabb45fbfd09911a3bf349192ecf7b2cd0bb3e6cbb576834729c43379",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2011-08-09T22:29:31Z",
    "title_canon_sha256": "46b1017b431de3bf95f0c782f7b729565e00454aa09835cba91f2703b3217fc3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.2063",
    "kind": "arxiv",
    "version": 1
  }
}