Pith Number

pith:KKCA2PBC

pith:2014:KKCA2PBC6LWD6XMDV564EZ6H2S

not attested not anchored not stored refs pending

Improved algorithms for colorings of simple hypergraphs and applications

Dmitry Shabanov, Jakub Kozik

arxiv:1409.6921 v1 · 2014-09-24 · math.CO · cs.DM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KKCA2PBC6LWD6XMDV564EZ6H2S}

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	2026-05-18T02:42:00.209994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52840d3c22f2ec3f5d83af7dc267c7d4b117368dd1ab143fe27d426a8abe24a4

Aliases

arxiv: 1409.6921 · arxiv_version: 1409.6921v1 · doi: 10.48550/arxiv.1409.6921 · pith_short_12: KKCA2PBC6LWD · pith_short_16: KKCA2PBC6LWD6XMD · pith_short_8: KKCA2PBC

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/KKCA2PBC6LWD6XMDV564EZ6H2S \
  | 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: 52840d3c22f2ec3f5d83af7dc267c7d4b117368dd1ab143fe27d426a8abe24a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1651993e21c214a998984bf8a377bfd80475fa8b0f65f5a1439290351d5e7414",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-09-24T12:17:55Z",
    "title_canon_sha256": "2d414ab466ce26e3de8517189c6820271d658767f31b712fe1030834ab2c4be2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.6921",
    "kind": "arxiv",
    "version": 1
  }
}