Pith Number

pith:B5FAZM5A

pith:2018:B5FAZM5ACIDDX7BYA32NH2EQKW

not attested not anchored not stored refs pending

The Parameterized Complexity of Packing Arc-Disjoint Cycles in Tournaments

Abhishek Sahu, Meirav Zehavi, R. Krithika, Saket Saurabh

arxiv:1802.07090 v1 · 2018-02-20 · 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{B5FAZM5ACIDDX7BYA32NH2EQKW}

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	2026-05-18T00:22:53.580192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f4a0cb3a012063bfc3806f4d3e89055b9f4cafa9a69506bfd9060ab1b91eb7d

Aliases

arxiv: 1802.07090 · arxiv_version: 1802.07090v1 · doi: 10.48550/arxiv.1802.07090 · pith_short_12: B5FAZM5ACIDD · pith_short_16: B5FAZM5ACIDDX7BY · pith_short_8: B5FAZM5A

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/B5FAZM5ACIDDX7BYA32NH2EQKW \
  | 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: 0f4a0cb3a012063bfc3806f4d3e89055b9f4cafa9a69506bfd9060ab1b91eb7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c5b1b012c378ae7ec5a441f94dc625208bee8b2c805ae369056e9a0b9728757",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-02-20T12:43:05Z",
    "title_canon_sha256": "30f76e2631ef3bed8312df5d1827ddc937f837307ba984d7964456f4f328b302"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.07090",
    "kind": "arxiv",
    "version": 1
  }
}