Pith Number

pith:35WOUJCB

pith:2017:35WOUJCBONAMBOCFELY4RHZSIM

not attested not anchored not stored refs pending

On the Parameterized Complexity of Contraction to Generalization of Trees

Akanksha Agrawal, Prafullkumar Tale, Saket Saurabh

arxiv:1708.00622 v1 · 2017-08-02 · 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{35WOUJCBONAMBOCFELY4RHZSIM}

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	2026-05-18T00:38:45.212581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df6cea24417340c0b84522f1c89f32432dd932a70d7ce2053a194c73a6c7d96e

Aliases

arxiv: 1708.00622 · arxiv_version: 1708.00622v1 · doi: 10.48550/arxiv.1708.00622 · pith_short_12: 35WOUJCBONAM · pith_short_16: 35WOUJCBONAMBOCF · pith_short_8: 35WOUJCB

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/35WOUJCBONAMBOCFELY4RHZSIM \
  | 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: df6cea24417340c0b84522f1c89f32432dd932a70d7ce2053a194c73a6c7d96e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c52064db7aca60aa53e1f2acd57fdaa2c0ffcf1561eb292fccf97d94013dc12",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-08-02T07:44:40Z",
    "title_canon_sha256": "9a5484eab73854cf6eba9bd29cd72b26e1ac521c3da08aa0214b324cf9d6cf62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.00622",
    "kind": "arxiv",
    "version": 1
  }
}