Pith Number

pith:PQLQGITT

pith:2017:PQLQGITTPT5YWLNZWWV56BYAUN

not attested not anchored not stored refs pending

An FPT Algorithm Beating 2-Approximation for $k$-Cut

Anupam Gupta, Euiwoong Lee, Jason Li

arxiv:1710.08488 v1 · 2017-10-23 · 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{PQLQGITTPT5YWLNZWWV56BYAUN}

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	2026-05-18T00:32:15.889333Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c170322737cfb8b2db9b5abdf0700a34aa79e2ce2aef5c1aa9f72de9407d29a

Aliases

arxiv: 1710.08488 · arxiv_version: 1710.08488v1 · doi: 10.48550/arxiv.1710.08488 · pith_short_12: PQLQGITTPT5Y · pith_short_16: PQLQGITTPT5YWLNZ · pith_short_8: PQLQGITT

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/PQLQGITTPT5YWLNZWWV56BYAUN \
  | 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: 7c170322737cfb8b2db9b5abdf0700a34aa79e2ce2aef5c1aa9f72de9407d29a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f82fd876bef97055aec5a948aeac3e85ee1ecb643eebabe1e2d60322fc8ce0c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-10-23T20:10:40Z",
    "title_canon_sha256": "6fabc46a074b36ad90bc726ff944aa039ef2263ce92de69f491f73ea4adc320f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.08488",
    "kind": "arxiv",
    "version": 1
  }
}