Pith Number

pith:RZ6NJHV4

pith:2018:RZ6NJHV4WWKMSAS3BY3CDOPUVH

not attested not anchored not stored refs pending

Hom complexes of graphs of diameter $1$

Anurag Singh

arxiv:1807.10498 v2 · 2018-07-27 · 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{RZ6NJHV4WWKMSAS3BY3CDOPUVH}

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	2026-05-17T23:46:09.582963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e7cd49ebcb594c9025b0e3621b9f4a9f70db5333bd952255c4a2a142ec2e2ca

Aliases

arxiv: 1807.10498 · arxiv_version: 1807.10498v2 · doi: 10.48550/arxiv.1807.10498 · pith_short_12: RZ6NJHV4WWKM · pith_short_16: RZ6NJHV4WWKMSAS3 · pith_short_8: RZ6NJHV4

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/RZ6NJHV4WWKMSAS3BY3CDOPUVH \
  | 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: 8e7cd49ebcb594c9025b0e3621b9f4a9f70db5333bd952255c4a2a142ec2e2ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5383008b508be9cd5479082d3ed4aada62075bdc53b783d0d2ff62caccacb756",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-07-27T09:00:33Z",
    "title_canon_sha256": "afedfaa2d5a4a1f86217ac26c63ed7c23a87bfe9522cbdef9681ddb910830bb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.10498",
    "kind": "arxiv",
    "version": 2
  }
}