Pith Number

pith:OIUYXTUK

pith:2025:OIUYXTUKMFAEPRS25SMY4YDTW5

not attested not anchored not stored refs pending

FPT Constant Approximation Algorithms for Colorful Sum of Radii

Gregory Gutin, Shuilian Liu, Yicheng Xu, Yong Zhang

arxiv:2506.13191 v1 · 2025-06-16 · cs.CG · cs.DS

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\usepackage{pith}
\pithnumber{OIUYXTUKMFAEPRS25SMY4YDTW5}

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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.

Cited by

2 papers in Pith

FPT Approximations for Fair Sum of Radii with Outliers and General Norm Objectives

On the Parameterized Approximability of (Mergeable) Sum of Radii Clustering

Receipt and verification

First computed	2026-07-05T11:22:06.535683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72298bce8a614047c65aec998e6073b77f208a5b373b58204cd5caba1eb7a5b7

Aliases

arxiv: 2506.13191 · arxiv_version: 2506.13191v1 · doi: 10.48550/arxiv.2506.13191 · pith_short_12: OIUYXTUKMFAE · pith_short_16: OIUYXTUKMFAEPRS2 · pith_short_8: OIUYXTUK

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/OIUYXTUKMFAEPRS25SMY4YDTW5 \
  | 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: 72298bce8a614047c65aec998e6073b77f208a5b373b58204cd5caba1eb7a5b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8025f820edc403147fdc9dff645d8728df10af066ce98d140d6585c31377638b",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2025-06-16T07:59:42Z",
    "title_canon_sha256": "6d76042bbae53957e81b12d52fd9cfa6d314550b25eccd26c818692142316a12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.13191",
    "kind": "arxiv",
    "version": 1
  }
}