Pith Number

pith:SVV2S2CX

pith:2017:SVV2S2CXTMSHSWWKBIYRFXONPR

not attested not anchored not stored refs pending

A new lower bound for the chromatic number of general Kneser hypergraphs

Meysam Alishahi, Roya Abyazi Sani

arxiv:1704.07052 v2 · 2017-04-24 · math.CO · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SVV2S2CXTMSHSWWKBIYRFXONPR}

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	2026-05-18T00:19:08.917798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

956ba968579b24795aca0a3112ddcd7c4d3205612e7d7deed5a8bfcda5597c1f

Aliases

arxiv: 1704.07052 · arxiv_version: 1704.07052v2 · doi: 10.48550/arxiv.1704.07052 · pith_short_12: SVV2S2CXTMSH · pith_short_16: SVV2S2CXTMSHSWWK · pith_short_8: SVV2S2CX

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/SVV2S2CXTMSHSWWKBIYRFXONPR \
  | 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: 956ba968579b24795aca0a3112ddcd7c4d3205612e7d7deed5a8bfcda5597c1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a30d6015bbb35e79cacafb1b1111e39b990c9d18161bda0c63af580439b06558",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-04-24T06:23:14Z",
    "title_canon_sha256": "b3b00385e526bec67709033e80d909d8c025cf279b39dfe2a254bf950b351e1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.07052",
    "kind": "arxiv",
    "version": 2
  }
}