Pith Number

pith:UGFLYZR5

pith:2024:UGFLYZR5KAHBUTDFTGADJ6FNUB

not attested not anchored not stored refs pending

Tight Approximation and Kernelization Bounds for Vertex-Disjoint Shortest Paths

Fedor V. Fomin, Matthias Bentert, Petr A. Golovach

arxiv:2402.15348 v2 · 2024-02-23 · 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{UGFLYZR5KAHBUTDFTGADJ6FNUB}

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	2026-07-05T10:52:10.629923Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a18abc663d500e1a4c65998034f8ada07bd2e9ab6639cb73fa3a094fbd08484b

Aliases

arxiv: 2402.15348 · arxiv_version: 2402.15348v2 · doi: 10.48550/arxiv.2402.15348 · pith_short_12: UGFLYZR5KAHB · pith_short_16: UGFLYZR5KAHBUTDF · pith_short_8: UGFLYZR5

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/UGFLYZR5KAHBUTDFTGADJ6FNUB \
  | 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: a18abc663d500e1a4c65998034f8ada07bd2e9ab6639cb73fa3a094fbd08484b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a5f1ba609bedee192ac285c7e2587d071f356bd43fe99277241feeae9d2233c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2024-02-23T14:31:52Z",
    "title_canon_sha256": "bc10250a34acd66abca5b8a87aca0c498bea04cdbcda5195b0b5a0571f06c0c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.15348",
    "kind": "arxiv",
    "version": 2
  }
}