Pith Number

pith:F2L62WJO

pith:2006:F2L62WJOMAWKNNNG4XHKJHRRIG

2 verified not anchored not stored refs pending

New recurrent inequality on a class of vertex Folkman numbers

Nedyalko Dimov Nenov (Sofia University), Nikolay Rangelov Kolev (Sofia University)

arxiv:math/0603296 v1 · 2006-03-13 · 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{F2L62WJOMAWKNNNG4XHKJHRRIG}

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

✓ Author claim 2 verified · sign in to claim

Nikolay Kolev orcid verified · Nikolay Kolev orcid verified

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	2026-05-19T04:56:40.778443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e97ed592e602ca6b5a6e5cea49e3141b6b435537fec217e05e250d5d085ac84

Aliases

arxiv: math/0603296 · arxiv_version: math/0603296v1 · doi: 10.48550/arxiv.math/0603296 · pith_short_12: F2L62WJOMAWK · pith_short_16: F2L62WJOMAWKNNNG · pith_short_8: F2L62WJO

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/F2L62WJOMAWKNNNG4XHKJHRRIG \
  | 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: 2e97ed592e602ca6b5a6e5cea49e3141b6b435537fec217e05e250d5d085ac84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49df60d43affc52a16860243bda7987753525aadb7f15c1f2726c167b9c10bf8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.CO",
    "submitted_at": "2006-03-13T13:14:25Z",
    "title_canon_sha256": "653a98b35ef880ed0505a33d2311ccbfd423c396b847d33f9be6b9fe7a9ea3dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0603296",
    "kind": "arxiv",
    "version": 1
  }
}