Pith Number

pith:OSYLKNLD

pith:2017:OSYLKNLDX3TTEBDH6Y3JQVRLC7

not attested not anchored not stored refs pending

A lower bound on the size of an absorbing set in an arc-coloured tournament

Gena Hahn, Laurent Beaudou, Luc Devroye

arxiv:1708.08891 v2 · 2017-08-29 · 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{OSYLKNLDX3TTEBDH6Y3JQVRLC7}

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	2026-05-18T00:36:18.942079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74b0b53563bee7320467f63698562b17f120ce0be9ea533678455ec6112841ed

Aliases

arxiv: 1708.08891 · arxiv_version: 1708.08891v2 · doi: 10.48550/arxiv.1708.08891 · pith_short_12: OSYLKNLDX3TT · pith_short_16: OSYLKNLDX3TTEBDH · pith_short_8: OSYLKNLD

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/OSYLKNLDX3TTEBDH6Y3JQVRLC7 \
  | 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: 74b0b53563bee7320467f63698562b17f120ce0be9ea533678455ec6112841ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a19243eae79b27539ce3369dc290c36ae20db15664c6a2fe5c1227b6def64f73",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-08-29T17:18:28Z",
    "title_canon_sha256": "a02132017c179c7f287c003d790aa9104bdd27493d6271b62dca6c3d43d04231"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.08891",
    "kind": "arxiv",
    "version": 2
  }
}