Pith Number

pith:6YQCS667

pith:2013:6YQCS667DMRRN765QFDDMVXXMG

not attested not anchored not stored refs pending

Turan Problems on Non-uniform Hypergraphs

Linyuan Lu, Travis Johnston

arxiv:1301.1870 v1 · 2013-01-09 · 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{6YQCS667DMRRN765QFDDMVXXMG}

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	2026-05-18T03:36:55.795329Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f620297bdf1b2316ffdd81463656f7618d5981e7637d4152a84a9a5261d9c5a1

Aliases

arxiv: 1301.1870 · arxiv_version: 1301.1870v1 · doi: 10.48550/arxiv.1301.1870 · pith_short_12: 6YQCS667DMRR · pith_short_16: 6YQCS667DMRRN765 · pith_short_8: 6YQCS667

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/6YQCS667DMRRN765QFDDMVXXMG \
  | 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: f620297bdf1b2316ffdd81463656f7618d5981e7637d4152a84a9a5261d9c5a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1a9a0b383175f3ac4cba4f580985442301d764221859068b712821cf1d3976f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-01-09T14:39:22Z",
    "title_canon_sha256": "f45a0c51ad13d9b8471645ca299790514abddfd2970f667bef1b5ddce0f50e14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1870",
    "kind": "arxiv",
    "version": 1
  }
}