Pith Number

pith:MVEMV5MH

pith:2020:MVEMV5MHNJUOHAJXKO6SEK77JK

not attested not anchored not stored refs pending

On the Parameterised Complexity of Induced Multipartite Graph Parameters

Catherine Greenhill, Luke Mathieson, Ryan L. Mann

arxiv:2004.09938 v2 · 2020-04-21 · cs.CC · cs.DM · cs.DS · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MVEMV5MHNJUOHAJXKO6SEK77JK}

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	2026-07-05T06:06:50.875122Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6548caf5876a68e3813753bd222bff4a97dbed4e7ac24abf8dadd75a14924b80

Aliases

arxiv: 2004.09938 · arxiv_version: 2004.09938v2 · doi: 10.48550/arxiv.2004.09938 · pith_short_12: MVEMV5MHNJUO · pith_short_16: MVEMV5MHNJUOHAJX · pith_short_8: MVEMV5MH

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/MVEMV5MHNJUOHAJXKO6SEK77JK \
  | 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: 6548caf5876a68e3813753bd222bff4a97dbed4e7ac24abf8dadd75a14924b80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d8d49f68e191a0184f70c70356adf677470f595d836bc5ea2cec8b0f5f3d079",
    "cross_cats_sorted": [
      "cs.DM",
      "cs.DS",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2020-04-21T12:15:06Z",
    "title_canon_sha256": "50f106069d96fc455db713c7d4d2b13077ea8388bfdaea71edba6145cf6d8e42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.09938",
    "kind": "arxiv",
    "version": 2
  }
}