Pith Number

pith:WIU6NSDA

pith:2008:WIU6NSDAIZPERKYNCLPUAYD5SD

not attested not anchored not stored refs pending

Distinguishing Bing-Whitehead Cantor Sets

David Wright, Dennis Garity, Du\v{s}an Repov\v{s}, Matja\v{z} \v{Z}eljko

arxiv:0810.3431 v2 · 2008-10-19 · math.GT · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WIU6NSDAIZPERKYNCLPUAYD5SD}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T04:39:50.516955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b229e6c860465e48ab0d12df40607d90c74ff22790507502b7d6b8734e1d325b

Aliases

arxiv: 0810.3431 · arxiv_version: 0810.3431v2 · doi: 10.48550/arxiv.0810.3431 · pith_short_12: WIU6NSDAIZPE · pith_short_16: WIU6NSDAIZPERKYN · pith_short_8: WIU6NSDA

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/WIU6NSDAIZPERKYNCLPUAYD5SD \
  | 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: b229e6c860465e48ab0d12df40607d90c74ff22790507502b7d6b8734e1d325b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39748172e8782819ccdc68a815e8ded2db160611d01bf07b0f63a2d876a2bed0",
    "cross_cats_sorted": [
      "math.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2008-10-19T21:14:11Z",
    "title_canon_sha256": "cee940a4cf680a120c929388e36b1729dc1dd459cda25e098b2a1e0e77213243"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.3431",
    "kind": "arxiv",
    "version": 2
  }
}