Pith Number

pith:MJE53F3Y

pith:2026:MJE53F3YOBF5722US3DPTFKHHL

not attested not anchored not stored refs pending

Flood-It with Jewelry -- Characterizing the Game Complexity for Cograph Generalizations

Christian Rosenke, Mark Scheibner, Martin Darm\"untzel

arxiv:2606.23837 v1 · 2026-06-22 · cs.DM · 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{MJE53F3YOBF5722US3DPTFKHHL}

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	2026-06-24T00:14:28.240671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6249dd9778704bdfeb5496c6f995473ac34b76515f68e99c055595f655aca132

Aliases

arxiv: 2606.23837 · arxiv_version: 2606.23837v1 · doi: 10.48550/arxiv.2606.23837 · pith_short_12: MJE53F3YOBF5 · pith_short_16: MJE53F3YOBF5722U · pith_short_8: MJE53F3Y

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/MJE53F3YOBF5722US3DPTFKHHL \
  | 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: 6249dd9778704bdfeb5496c6f995473ac34b76515f68e99c055595f655aca132

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74b6b736d3a382204c5920cbfe90c77aeec5eca57a2ec18e5974dec398872819",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2026-06-22T18:17:19Z",
    "title_canon_sha256": "f0049feb8d0df84e9f1c789552eda7095295a5bfdfe7344c7ea80c67f66957b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.23837",
    "kind": "arxiv",
    "version": 1
  }
}