Pith Number

pith:X62TRHJF

pith:2018:X62TRHJFU3INDTKSVITAN7FXCO

not attested not anchored not stored refs pending

(Arc-disjoint) cycle packing in tournament: classical and parameterized complexity

Jocelyn Thiebaut, Marin Bougeret, St\'ephane Bessy

arxiv:1802.06669 v1 · 2018-02-19 · cs.DM · math.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X62TRHJFU3INDTKSVITAN7FXCO}

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	2026-05-18T00:23:02.610059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfb5389d25a6d0d1cd52aa2606fcb713bed1cefd9c0802b537fc17c6b36aaa7d

Aliases

arxiv: 1802.06669 · arxiv_version: 1802.06669v1 · doi: 10.48550/arxiv.1802.06669 · pith_short_12: X62TRHJFU3IN · pith_short_16: X62TRHJFU3INDTKS · pith_short_8: X62TRHJF

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/X62TRHJFU3INDTKSVITAN7FXCO \
  | 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: bfb5389d25a6d0d1cd52aa2606fcb713bed1cefd9c0802b537fc17c6b36aaa7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f01a4bc8a88894108885e3928d534ce15c3937fd02cf0c8323957d771da7dab3",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2018-02-19T15:32:05Z",
    "title_canon_sha256": "42371d08785d3c392dd64ad2b4f964ae4ab9ce6a04912b0e7464d185915a20e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.06669",
    "kind": "arxiv",
    "version": 1
  }
}