Pith Number

pith:YWSJIEDH

pith:2019:YWSJIEDHIN7BHFVZCKNY5PF353

not attested not anchored not stored refs pending

New bounds for a hypergraph Bipartite Tur\'an problem

Abhishek Methuku, Beka Ergemlidze, Tao Jiang

arxiv:1902.10258 v1 · 2019-02-26 · 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{YWSJIEDHIN7BHFVZCKNY5PF353}

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	2026-05-17T23:52:31.363845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5a4941067437e1396b9129b8ebcbbeec6054b92cd161b8507bd0250fd5873da

Aliases

arxiv: 1902.10258 · arxiv_version: 1902.10258v1 · doi: 10.48550/arxiv.1902.10258 · pith_short_12: YWSJIEDHIN7B · pith_short_16: YWSJIEDHIN7BHFVZ · pith_short_8: YWSJIEDH

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/YWSJIEDHIN7BHFVZCKNY5PF353 \
  | 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: c5a4941067437e1396b9129b8ebcbbeec6054b92cd161b8507bd0250fd5873da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61bba632a9de6049f3a23f2b950885c37573fd12ce51668951bb250461b107b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-02-26T22:54:26Z",
    "title_canon_sha256": "627507d9a3a9e438fba04afedf6eb39553ed96e646ac6ab4662a5b5dce5cfbac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.10258",
    "kind": "arxiv",
    "version": 1
  }
}