Pith Number

pith:7YQ73I2S

pith:2023:7YQ73I2S2OMOQAM2YAYQDYUURN

not attested not anchored not stored refs pending

On local Tur\'an density problems of hypergraphs

Chunqiu Fang, Ge Song, Guorong Gao, Jie Ma

arxiv:2303.00427 v1 · 2023-03-01 · 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{7YQ73I2S2OMOQAM2YAYQDYUURN}

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	2026-07-05T05:47:09.131116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe21fda352d398e8019ac03101e2948b7557d9a29a0cde6afd86ef31bd62c189

Aliases

arxiv: 2303.00427 · arxiv_version: 2303.00427v1 · doi: 10.48550/arxiv.2303.00427 · pith_short_12: 7YQ73I2S2OMO · pith_short_16: 7YQ73I2S2OMOQAM2 · pith_short_8: 7YQ73I2S

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/7YQ73I2S2OMOQAM2YAYQDYUURN \
  | 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: fe21fda352d398e8019ac03101e2948b7557d9a29a0cde6afd86ef31bd62c189

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8caf9d1c52a72c49aa242c23e27253f914e948aba7705b7d289743ca7cb4d70",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2023-03-01T11:31:28Z",
    "title_canon_sha256": "46b16642963310a4184e9f70c50e76891832e83d355187dbabf17c8d438f64e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.00427",
    "kind": "arxiv",
    "version": 1
  }
}