Pith Number

pith:GGTCQVT4

pith:2011:GGTCQVT45A44OACRRHATSGWACL

not attested not anchored not stored refs pending

A Constant Factor Approximation Algorithm for Boxicity of Circular Arc Graphs

Abhijin Adiga, Jasine Babu, L. Sunil Chandran

arxiv:1102.1544 v1 · 2011-02-08 · cs.DS · 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{GGTCQVT45A44OACRRHATSGWACL}

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	2026-05-18T04:29:52.988025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31a628567ce839c7005189c1391ac012ecf767f7b3c14a89b6034c960a0263d7

Aliases

arxiv: 1102.1544 · arxiv_version: 1102.1544v1 · doi: 10.48550/arxiv.1102.1544 · pith_short_12: GGTCQVT45A44 · pith_short_16: GGTCQVT45A44OACR · pith_short_8: GGTCQVT4

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/GGTCQVT45A44OACRRHATSGWACL \
  | 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: 31a628567ce839c7005189c1391ac012ecf767f7b3c14a89b6034c960a0263d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ebc1ef0138eb874ff9ae3d066ecd4531175939c5f428c36681cbcb196123571",
    "cross_cats_sorted": [
      "cs.DM",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-02-08T09:27:24Z",
    "title_canon_sha256": "7e290da15a92c837ef20a5ddd77712993785fff49907a5c7307fa59305df3288"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.1544",
    "kind": "arxiv",
    "version": 1
  }
}