Pith Number

pith:3UGQWKC3

pith:2018:3UGQWKC32J54NGIJVGEAZHFAXN

not attested not anchored not stored refs pending

Homotopy type of Neighborhood Complexes of Kneser graphs, $KG_{2,k}$

Anurag Singh, Nandini Nilakantan

arxiv:1802.05848 v1 · 2018-02-16 · 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{3UGQWKC32J54NGIJVGEAZHFAXN}

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	2026-05-17T23:46:09.772328Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd0d0b285bd27bc69909a9880c9ca0bb658a19754c1e09cd96f518a3dadd4a21

Aliases

arxiv: 1802.05848 · arxiv_version: 1802.05848v1 · doi: 10.48550/arxiv.1802.05848 · pith_short_12: 3UGQWKC32J54 · pith_short_16: 3UGQWKC32J54NGIJ · pith_short_8: 3UGQWKC3

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/3UGQWKC32J54NGIJVGEAZHFAXN \
  | 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: dd0d0b285bd27bc69909a9880c9ca0bb658a19754c1e09cd96f518a3dadd4a21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2a91591a4f78caa6e8809a277db36f28407d34810a3630525ae808bb47ed14e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-02-16T07:02:16Z",
    "title_canon_sha256": "841fcdcfa173ef74fd67cb8b09b560752d702ea4867085e65b45adbaabb0e9bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.05848",
    "kind": "arxiv",
    "version": 1
  }
}