Pith Number

pith:GK4VWFNE

pith:2018:GK4VWFNE7UJ6XQQL6R6IWSQYGA

not attested not anchored not stored refs pending

Bipartitioning Problems on Graphs with Bounded Tree-Width

Anjeneya Swami Kare, N. R. Aravind, Subrahmanyam Kalyanasundaram

arxiv:1804.04016 v1 · 2018-04-11 · 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{GK4VWFNE7UJ6XQQL6R6IWSQYGA}

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	2026-05-18T00:18:42.362989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32b95b15a4fd13ebc20bf47c8b4a18302f341466e16f9a4c9bfc634b99a03338

Aliases

arxiv: 1804.04016 · arxiv_version: 1804.04016v1 · doi: 10.48550/arxiv.1804.04016 · pith_short_12: GK4VWFNE7UJ6 · pith_short_16: GK4VWFNE7UJ6XQQL · pith_short_8: GK4VWFNE

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/GK4VWFNE7UJ6XQQL6R6IWSQYGA \
  | 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: 32b95b15a4fd13ebc20bf47c8b4a18302f341466e16f9a4c9bfc634b99a03338

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3943552302cbd01fee24dc9dc10405b31be9587a531ddf2c972838f8c39a3c2b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-04-11T14:28:01Z",
    "title_canon_sha256": "6886f9ced79a18d85f7a2c2da07bd6cdf6a0a50d07acc0134bcceef86e3fbaa4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04016",
    "kind": "arxiv",
    "version": 1
  }
}