Pith Number

pith:Y3NPY6H5

pith:2026:Y3NPY6H5XRGEAXEZGQL2BDCMR5

not attested not anchored not stored refs pending

Coarse geometry of homeomorphism groups: Classifying countable Stone spaces

George Domat, Hannah Hoganson, Robert Alonzo Lyman

arxiv:2607.01196 v1 · 2026-07-01 · math.GR · math.GN · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y3NPY6H5XRGEAXEZGQL2BDCMR5}

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	2026-07-02T01:18:32.312887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6dafc78fdbc4c405c993417a08c4c8f4b5f64f44afda05c6ffb6ac0f33ba1d0

Aliases

arxiv: 2607.01196 · arxiv_version: 2607.01196v1 · doi: 10.48550/arxiv.2607.01196 · pith_short_12: Y3NPY6H5XRGE · pith_short_16: Y3NPY6H5XRGEAXEZ · pith_short_8: Y3NPY6H5

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/Y3NPY6H5XRGEAXEZGQL2BDCMR5 \
  | 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: c6dafc78fdbc4c405c993417a08c4c8f4b5f64f44afda05c6ffb6ac0f33ba1d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e73db57557e89f939242caa8a6360cc9f56088ab9576a9f7cfa5c6140267110",
    "cross_cats_sorted": [
      "math.GN",
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2026-07-01T17:30:34Z",
    "title_canon_sha256": "1165e8a0d24fa92e7174677449eddc27e0d158db7d6df3540b8ce01f0622b006"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.01196",
    "kind": "arxiv",
    "version": 1
  }
}