Pith Number

pith:NINKSUGV

pith:2016:NINKSUGVHE7RDB2XGCU5AF6Y7U

not attested not anchored not stored refs pending

On a special class of boxicity 2 graphs

Dibyayan Chakraborty, Sagnik Sen, Sandip Das, Sujoy Kumar Bhore

arxiv:1603.09561 v1 · 2016-03-31 · 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{NINKSUGVHE7RDB2XGCU5AF6Y7U}

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	2026-05-18T01:17:58.265410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a1aa950d5393f11875730a9d017d8fd16bd7ed03d492efeb5632bf38f6e3d4c

Aliases

arxiv: 1603.09561 · arxiv_version: 1603.09561v1 · doi: 10.48550/arxiv.1603.09561 · pith_short_12: NINKSUGVHE7R · pith_short_16: NINKSUGVHE7RDB2X · pith_short_8: NINKSUGV

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/NINKSUGVHE7RDB2XGCU5AF6Y7U \
  | 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: 6a1aa950d5393f11875730a9d017d8fd16bd7ed03d492efeb5632bf38f6e3d4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da5c3a921e17c4a564a83e2dd8ea2c5abdf065f298dc7fcbc8ba0feb450ee6a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2016-03-31T12:48:32Z",
    "title_canon_sha256": "0f40d4c59fc76821745fd750e7a85657bfeea79ba54a6b5a40bdb9d0c57136aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.09561",
    "kind": "arxiv",
    "version": 1
  }
}