Pith Number

pith:B43DBHHQ

pith:2012:B43DBHHQU4EEDBCLYPFNNDNIAZ

not attested not anchored not stored refs pending

Graph Pricing Problem on Bounded Treewidth, Bounded Genus and k-partite graphs

Danupon Nanongkai, Parinya Chalermsook, Richard Lipton, Shiva Kintali

arxiv:1203.1940 v2 · 2012-03-08 · cs.GT · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B43DBHHQU4EEDBCLYPFNNDNIAZ}

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	2026-05-18T03:07:32.158907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f36309cf0a70841844bc3cad68da806564dca7c3761a99c6ac15a4934e7abf7

Aliases

arxiv: 1203.1940 · arxiv_version: 1203.1940v2 · doi: 10.48550/arxiv.1203.1940 · pith_short_12: B43DBHHQU4EE · pith_short_16: B43DBHHQU4EEDBCL · pith_short_8: B43DBHHQ

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/B43DBHHQU4EEDBCLYPFNNDNIAZ \
  | 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: 0f36309cf0a70841844bc3cad68da806564dca7c3761a99c6ac15a4934e7abf7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5183a02671788920568ae23b050b66b7b412d7efa2012bde044a62bc3a2d24cf",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2012-03-08T21:42:51Z",
    "title_canon_sha256": "f608edcf2c8426f53d295ab116bfbbba237365207927a5516415ef4956e1c30f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1940",
    "kind": "arxiv",
    "version": 2
  }
}