Pith Number

pith:B6UFQ6CR

pith:2011:B6UFQ6CRV5ZRKJDECTSWGXM2IC

not attested not anchored not stored refs pending

Getting directed Hamilton cycle twice faster

Benny Sudakov, Choongbum Lee, Dan Vilenchik

arxiv:1103.5522 v3 · 2011-03-29 · math.CO · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B6UFQ6CRV5ZRKJDECTSWGXM2IC}

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	2026-05-18T03:59:03.283596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fa8587851af7315246414e5635d9a40a51fd627a0977a70ca2280e9d0c2912f

Aliases

arxiv: 1103.5522 · arxiv_version: 1103.5522v3 · doi: 10.48550/arxiv.1103.5522 · pith_short_12: B6UFQ6CRV5ZR · pith_short_16: B6UFQ6CRV5ZRKJDE · pith_short_8: B6UFQ6CR

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/B6UFQ6CRV5ZRKJDECTSWGXM2IC \
  | 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: 0fa8587851af7315246414e5635d9a40a51fd627a0977a70ca2280e9d0c2912f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8262dedb30f6d009bfa4849df6e4b800b7ea0107693849ae0ce295f7d29b7b0",
    "cross_cats_sorted": [
      "math.PR"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-03-29T01:15:17Z",
    "title_canon_sha256": "4fb9edfb01755fde5077d09066a6adf4bf5083f5b05413dbb35d33fbad06659f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.5522",
    "kind": "arxiv",
    "version": 3
  }
}