Pith Number

pith:LBEKQYZV

pith:2011:LBEKQYZVQC7BYPD6TGEAVGJYXO

not attested not anchored not stored refs pending

On the Recognition of Fuzzy Circular Interval Graphs

Gautier Stauffer, Gianpaolo Oriolo, Ugo Pietropaoli

arxiv:1104.2251 v1 · 2011-04-12 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LBEKQYZVQC7BYPD6TGEAVGJYXO}

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	2026-05-18T04:24:35.684557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5848a8633580be1c3c7e99880a9938bb8565d28a7c1e0aa8d91a4cfe86370e4a

Aliases

arxiv: 1104.2251 · arxiv_version: 1104.2251v1 · doi: 10.48550/arxiv.1104.2251 · pith_short_12: LBEKQYZVQC7B · pith_short_16: LBEKQYZVQC7BYPD6 · pith_short_8: LBEKQYZV

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/LBEKQYZVQC7BYPD6TGEAVGJYXO \
  | 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: 5848a8633580be1c3c7e99880a9938bb8565d28a7c1e0aa8d91a4cfe86370e4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ad89f8785112f1cb3f871cf89ab4b07e56f420912b67ebf8c34f011d549403e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2011-04-12T15:50:33Z",
    "title_canon_sha256": "24851f9d3c6532074ccd37f1a284066322bd36068b55dede09c2985dc1829164"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2251",
    "kind": "arxiv",
    "version": 1
  }
}