Pith Number

pith:KAZQLTLF

pith:2013:KAZQLTLFSV63ZJYL43O5YFTPPS

not attested not anchored not stored refs pending

A new randomized algorithm for the Erdos--Hajnal problem

Danila Cherkashin

arxiv:1308.6696 v1 · 2013-08-30 · 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{KAZQLTLFSV63ZJYL43O5YFTPPS}

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	2026-05-18T03:14:38.375218Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

503305cd65957dbca70be6dddc166f7ca959b019dcf1cff88864831dc7d130c4

Aliases

arxiv: 1308.6696 · arxiv_version: 1308.6696v1 · doi: 10.48550/arxiv.1308.6696 · pith_short_12: KAZQLTLFSV63 · pith_short_16: KAZQLTLFSV63ZJYL · pith_short_8: KAZQLTLF

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/KAZQLTLFSV63ZJYL43O5YFTPPS \
  | 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: 503305cd65957dbca70be6dddc166f7ca959b019dcf1cff88864831dc7d130c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3572ddcf93c86564ec475bbeed52ba20492fb9a924afc9295487b8f153d262c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-08-30T09:53:22Z",
    "title_canon_sha256": "f53b5c01b45c7b784032e5b4ed4e5a51117c6334f87e212bf2602903d2cee768"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.6696",
    "kind": "arxiv",
    "version": 1
  }
}