Pith Number

pith:7JFBDIGF

pith:2015:7JFBDIGFW2HBMRYG7VISW2CBTU

not attested not anchored not stored refs pending

Forbidding Hamilton cycles in uniform hypergraphs

Jie Han, Yi Zhao

arxiv:1508.05623 v1 · 2015-08-23 · 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{7JFBDIGFW2HBMRYG7VISW2CBTU}

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	2026-05-18T01:34:52.068310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa4a11a0c5b68e164706fd512b68419d1bf6299d494d783eea9bbe47dbacb6ea

Aliases

arxiv: 1508.05623 · arxiv_version: 1508.05623v1 · doi: 10.48550/arxiv.1508.05623 · pith_short_12: 7JFBDIGFW2HB · pith_short_16: 7JFBDIGFW2HBMRYG · pith_short_8: 7JFBDIGF

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/7JFBDIGFW2HBMRYG7VISW2CBTU \
  | 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: fa4a11a0c5b68e164706fd512b68419d1bf6299d494d783eea9bbe47dbacb6ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03066df0062c00ad2d087f2d5b0a6c1668b782aff9037becd252c8d98e71285a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-08-23T15:41:40Z",
    "title_canon_sha256": "a0560dc06418de8a73e844dc0d47be752f2b5c9fa5c6d4ef59de4d6d14be2815"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.05623",
    "kind": "arxiv",
    "version": 1
  }
}