Pith Number

pith:7SUAKX7Q

pith:2026:7SUAKX7Q6YEVDXDWTA33ONPCEX

not attested not anchored not stored refs pending

Totally Disconnected Semigroup Compactifications: Non-Introversion of the Full Boolean Algebra of Clopen Sets

Emily Thevenot, Joshua Basman Monterrubio, Ross Stokke, Thomas Czyzowicz

arxiv:2606.23987 v1 · 2026-06-22 · math.GN · math.FA · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7SUAKX7Q6YEVDXDWTA33ONPCEX}

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	2026-06-24T00:14:32.363842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fca8055ff0f60951dc769837b735e225db411e2d031b84510c0d98d83b41b6f4

Aliases

arxiv: 2606.23987 · arxiv_version: 2606.23987v1 · doi: 10.48550/arxiv.2606.23987 · pith_short_12: 7SUAKX7Q6YEV · pith_short_16: 7SUAKX7Q6YEVDXDW · pith_short_8: 7SUAKX7Q

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/7SUAKX7Q6YEVDXDWTA33ONPCEX \
  | 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: fca8055ff0f60951dc769837b735e225db411e2d031b84510c0d98d83b41b6f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7df176d91f15e8cc83a256d52388490024f6ebbb1f16dd890862260b59d069e9",
    "cross_cats_sorted": [
      "math.FA",
      "math.GR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2026-06-22T22:36:03Z",
    "title_canon_sha256": "b8f121e2af66b01e85942fe0ff4b98079848218a6005470ca6b6e7648cbfa290"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.23987",
    "kind": "arxiv",
    "version": 1
  }
}