Pith Number

pith:TP4C3LLS

pith:2013:TP4C3LLSF6YDVTDHMOBS364RWL

not attested not anchored not stored refs pending

Bounded Representations of Interval and Proper Interval Graphs

Martin Balko, Pavel Klav\'ik, Yota Otachi

arxiv:1309.1248 v1 · 2013-09-05 · cs.DM · 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{TP4C3LLSF6YDVTDHMOBS364RWL}

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	2026-05-18T03:14:07.881417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bf82dad722fb03acc6763832dfb91b2d9a78c82d5a4bc5fecf0155dc2bba137

Aliases

arxiv: 1309.1248 · arxiv_version: 1309.1248v1 · doi: 10.48550/arxiv.1309.1248 · pith_short_12: TP4C3LLSF6YD · pith_short_16: TP4C3LLSF6YDVTDH · pith_short_8: TP4C3LLS

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/TP4C3LLSF6YDVTDHMOBS364RWL \
  | 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: 9bf82dad722fb03acc6763832dfb91b2d9a78c82d5a4bc5fecf0155dc2bba137

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "319f770341135444a904d76cfda9889577a34f0abaeb82ab35ff6a61ba51983e",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2013-09-05T07:35:34Z",
    "title_canon_sha256": "4ec8e4d88d6d47c001633b98c469aafd5f35ecb472f9b7286713e1f8574f91c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.1248",
    "kind": "arxiv",
    "version": 1
  }
}