Pith Number

pith:MB55WNCN

pith:2019:MB55WNCNGS57FXDLJXFHGMUPQC

not attested not anchored not stored refs pending

Decomposition of Map Graphs with Applications

Daniel Lokshtanov, Fahad Panolan, Fedor V. Fomin, Meirav Zehavi, Saket Saurabh

arxiv:1903.01291 v1 · 2019-03-04 · cs.DS · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MB55WNCNGS57FXDLJXFHGMUPQC}

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	2026-05-17T23:52:09.184828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

607bdb344d34bbf2dc6b4dca73328f80a84e8c9cee8f5ce5c57bbf1367f52115

Aliases

arxiv: 1903.01291 · arxiv_version: 1903.01291v1 · doi: 10.48550/arxiv.1903.01291 · pith_short_12: MB55WNCNGS57 · pith_short_16: MB55WNCNGS57FXDL · pith_short_8: MB55WNCN

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/MB55WNCNGS57FXDLJXFHGMUPQC \
  | 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: 607bdb344d34bbf2dc6b4dca73328f80a84e8c9cee8f5ce5c57bbf1367f52115

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89e006c1ae774448955a1107a6d3187baee12bef4241cd9f379046adf8e50138",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-03-04T14:55:58Z",
    "title_canon_sha256": "bfa4a2c3a045241d78ef7cd93594878140f265e2e01b7fea07c443a6f72fd82c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.01291",
    "kind": "arxiv",
    "version": 1
  }
}