Pith Number

pith:LMMXPZJE

pith:2024:LMMXPZJE7PHCGJ7437ULKPNGJU

not attested not anchored not stored refs pending

A $(5/3+{\epsilon})$-Approximation for Tricolored Non-crossing Euclidean TSP

Andreas Emil Feldmann, Anna Zych-Pawlewicz, J\'ulia Balig\'acs, Yann Disser

arxiv:2402.13938 v1 · 2024-02-21 · 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{LMMXPZJE7PHCGJ7437ULKPNGJU}

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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

1 paper in Pith

Polynomial-time $(k+\epsilon)$-approximation for $k$-coloured Non-crossing Euclidean TSP

Receipt and verification

First computed	2026-07-05T07:47:50.501021Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b1977e524fbce2327fcdfe8b53da64d01570b4398c61de33f3225d9f2abfd17

Aliases

arxiv: 2402.13938 · arxiv_version: 2402.13938v1 · doi: 10.48550/arxiv.2402.13938 · pith_short_12: LMMXPZJE7PHC · pith_short_16: LMMXPZJE7PHCGJ74 · pith_short_8: LMMXPZJE

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/LMMXPZJE7PHCGJ7437ULKPNGJU \
  | 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: 5b1977e524fbce2327fcdfe8b53da64d01570b4398c61de33f3225d9f2abfd17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1253a5e0ae9ed1b5ca9613ee049980e733ba60aaaf254cd215608d271223a7ab",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2024-02-21T17:07:04Z",
    "title_canon_sha256": "e7fea9e2b324b73f506b9879b4457ebdaad46654e13aa9180e5eda86617cce56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.13938",
    "kind": "arxiv",
    "version": 1
  }
}