Pith Number

pith:EJNKS2IN

pith:2012:EJNKS2INCBW3CU6NPGRUMAYDPX

not attested not anchored not stored refs pending

Parameterized and Approximation Algorithms for Boxicity

Abhijin Adiga, Jasine Babu, L. Sunil Chandran

arxiv:1201.5958 v3 · 2012-01-28 · 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{EJNKS2INCBW3CU6NPGRUMAYDPX}

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	2026-05-18T02:57:07.008647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

225aa9690d106db153cd79a34603037defe6b54ffc54fbb8dd25bcf64ecc6ef1

Aliases

arxiv: 1201.5958 · arxiv_version: 1201.5958v3 · doi: 10.48550/arxiv.1201.5958 · pith_short_12: EJNKS2INCBW3 · pith_short_16: EJNKS2INCBW3CU6N · pith_short_8: EJNKS2IN

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/EJNKS2INCBW3CU6NPGRUMAYDPX \
  | 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: 225aa9690d106db153cd79a34603037defe6b54ffc54fbb8dd25bcf64ecc6ef1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58b1f5170874e7f41d5c11cd90361680664d2bcc9b23a1a4c46c31ddd1c08a27",
    "cross_cats_sorted": [
      "cs.DM",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-01-28T13:17:23Z",
    "title_canon_sha256": "0b255eaa2cde96690bd143e5e9f04a9a1f90c33f2ea10ed080296a4a86bb3780"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.5958",
    "kind": "arxiv",
    "version": 3
  }
}