Pith Number

pith:7CJI2R3W

pith:2007:7CJI2R3WC5K7ZHTDPO3A7DY3IT

not attested not anchored not stored refs pending

The Stackelberg Minimum Spanning Tree Game

Erik D. Demaine, Gwena\"el Joret, Ilan Newman, Jean Cardinal, Oren Weimann, Samuel Fiorini, Stefan Langerman

arxiv:cs/0703019 v3 · 2007-03-05 · 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{7CJI2R3WC5K7ZHTDPO3A7DY3IT}

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	2026-05-18T04:27:25.875749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8928d47761755fc9e637bb60f8f1b44fb4cab3100d8e3e7170b378127625451

Aliases

arxiv: cs/0703019 · arxiv_version: cs/0703019v3 · doi: 10.48550/arxiv.cs/0703019 · pith_short_12: 7CJI2R3WC5K7 · pith_short_16: 7CJI2R3WC5K7ZHTD · pith_short_8: 7CJI2R3W

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/7CJI2R3WC5K7ZHTDPO3A7DY3IT \
  | 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: f8928d47761755fc9e637bb60f8f1b44fb4cab3100d8e3e7170b378127625451

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc05fc826c28fa3eb513410770874700ce4cdb4eb1c618e5530f2bbde589509a",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2007-03-05T09:46:26Z",
    "title_canon_sha256": "47f926ad5ca1312f25d1e00548607c809f25beedadd160c150366a8aeadcffbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0703019",
    "kind": "arxiv",
    "version": 3
  }
}