Pith Number

pith:FZDFVUKM

pith:2018:FZDFVUKMD7DF64VOZJLJQKQP3Z

not attested not anchored not stored refs pending

A stronger reformulation of Webb's conjecture in terms of finite topological spaces

Kevin Ivan Piterman

arxiv:1805.09374 v1 · 2018-05-23 · math.GR · 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{FZDFVUKMD7DF64VOZJLJQKQP3Z}

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	2026-05-18T00:15:04.228554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e465ad14c1fc65f72aeca56982a0fde5283a2dc6c629bdb037f37fe2a96fffe

Aliases

arxiv: 1805.09374 · arxiv_version: 1805.09374v1 · doi: 10.48550/arxiv.1805.09374 · pith_short_12: FZDFVUKMD7DF · pith_short_16: FZDFVUKMD7DF64VO · pith_short_8: FZDFVUKM

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/FZDFVUKMD7DF64VOZJLJQKQP3Z \
  | 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: 2e465ad14c1fc65f72aeca56982a0fde5283a2dc6c629bdb037f37fe2a96fffe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83d8b157acc4095c67c8697736d300d44dd7550a69781a5aed5b9f816b4d1a4e",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2018-05-23T18:41:42Z",
    "title_canon_sha256": "c737703f9d4f9ebbdcdf7b1f3f962dd02a3eb91994a9a9280ce369f28d4a258f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.09374",
    "kind": "arxiv",
    "version": 1
  }
}