Pith Number

pith:K6NURRUA

pith:2017:K6NURRUA4XVMJDLVMEQAEWLOXR

not attested not anchored not stored refs pending

On the Min-Max-Delay Problem: NP-completeness, Algorithm, and Integrality Gap

Haibo Zeng, Lei Deng, Minghua Chen, Qingyu Liu

arxiv:1707.02650 v4 · 2017-07-09 · 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{K6NURRUA4XVMJDLVMEQAEWLOXR}

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	2026-05-18T00:12:25.014482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

579b48c680e5eac48d75612002596ebc61f9165bf544318a4787aa5174db95fa

Aliases

arxiv: 1707.02650 · arxiv_version: 1707.02650v4 · doi: 10.48550/arxiv.1707.02650 · pith_short_12: K6NURRUA4XVM · pith_short_16: K6NURRUA4XVMJDLV · pith_short_8: K6NURRUA

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/K6NURRUA4XVMJDLVMEQAEWLOXR \
  | 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: 579b48c680e5eac48d75612002596ebc61f9165bf544318a4787aa5174db95fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f532a01a22eb041a1f0d6179794bfb99f3c38f65a570f228f5190eef8d447375",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-07-09T22:34:44Z",
    "title_canon_sha256": "6ef10bbe44a2d3e2425da935c53f12b5c54a0532dc886c9399586ec02f9e81e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.02650",
    "kind": "arxiv",
    "version": 4
  }
}