Pith Number

pith:LFSEV42Q

pith:2021:LFSEV42Q2JQ53ANLTWZRIWQQOV

not attested not anchored not stored refs pending

FPT Approximation for Fair Minimum-Load Clustering

Fedor V. Fomin, Kirill Simonov, Nidhi Purohit, Petr A. Golovach, Sayan Bandyapadhyay

arxiv:2107.09481 v1 · 2021-07-20 · cs.CG · 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{LFSEV42Q2JQ53ANLTWZRIWQQOV}

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	2026-07-05T02:59:31.485017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59644af350d261dd81ab9db3145a10757c34a99d324c605acb689be9048df3b1

Aliases

arxiv: 2107.09481 · arxiv_version: 2107.09481v1 · doi: 10.48550/arxiv.2107.09481 · pith_short_12: LFSEV42Q2JQ5 · pith_short_16: LFSEV42Q2JQ53ANL · pith_short_8: LFSEV42Q

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/LFSEV42Q2JQ53ANLTWZRIWQQOV \
  | 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: 59644af350d261dd81ab9db3145a10757c34a99d324c605acb689be9048df3b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c015f684d7d52d21027937986777e111fd1f6ed6f72ab8e64f7e8024cdbc1eb",
    "cross_cats_sorted": [
      "cs.DM",
      "cs.DS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2021-07-20T13:34:13Z",
    "title_canon_sha256": "e8d43e57e5185971a23d99e2838579a22d3385c88bcee53f54e176905b087f53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.09481",
    "kind": "arxiv",
    "version": 1
  }
}