Pith Number

pith:GTWNDTMU

pith:2026:GTWNDTMUM3ANCHR2CUMW3Y2XCE

not attested not anchored not stored refs pending

On the Parameterized Complexity of Min-Sum-Radii

Haiko M\"uller, Melanie Schmidt, Pankaj Kumar, Sebastian Ordyniak

arxiv:2605.22804 v1 · 2026-05-21 · cs.DS · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GTWNDTMUM3ANCHR2CUMW3Y2XCE}

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	2026-05-22T02:04:55.575742Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34ecd1cd9466c0d11e3a15196de357113a7564aa744c854c57e73ead3ec5086d

Aliases

arxiv: 2605.22804 · arxiv_version: 2605.22804v1 · doi: 10.48550/arxiv.2605.22804 · pith_short_12: GTWNDTMUM3AN · pith_short_16: GTWNDTMUM3ANCHR2 · pith_short_8: GTWNDTMU

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/GTWNDTMUM3ANCHR2CUMW3Y2XCE \
  | 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: 34ecd1cd9466c0d11e3a15196de357113a7564aa744c854c57e73ead3ec5086d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5519f36fbabe2eb64df24d318450afd4b014555ca7873cdebbd30bc7b80f9e68",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2026-05-21T17:54:58Z",
    "title_canon_sha256": "ae6c65b8badb08e4ee294a7be251b8a081f472ba41db28c50870cdf626b1223c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.22804",
    "kind": "arxiv",
    "version": 1
  }
}