Pith Number

pith:HIOVD3H7

pith:2013:HIOVD3H7OO3WQ4HJFDZETMQF3O

not attested not anchored not stored refs pending

Universal nowhere dense and meager sets in Menger manifolds

Dusan Repovs, Taras Banakh

arxiv:1302.5656 v2 · 2013-02-22 · math.GT · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HIOVD3H7OO3WQ4HJFDZETMQF3O}

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	2026-05-18T03:05:54.755781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a1d51ecff73b76870e928f249b205db8810ffd83f06ea48a915f36928a0c3aa

Aliases

arxiv: 1302.5656 · arxiv_version: 1302.5656v2 · doi: 10.48550/arxiv.1302.5656 · pith_short_12: HIOVD3H7OO3W · pith_short_16: HIOVD3H7OO3WQ4HJ · pith_short_8: HIOVD3H7

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/HIOVD3H7OO3WQ4HJFDZETMQF3O \
  | 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: 3a1d51ecff73b76870e928f249b205db8810ffd83f06ea48a915f36928a0c3aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c1a02ed31a4f974996448e53a4be7bda8775133482b695d9fac353885c7be4a",
    "cross_cats_sorted": [
      "math.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2013-02-22T17:34:24Z",
    "title_canon_sha256": "955d7fb1b7f851e894bf2ed0c9a64bcf6c06191c8bdd0b88053f45b484a5c734"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.5656",
    "kind": "arxiv",
    "version": 2
  }
}