Pith Number

pith:ZWL5MCFN

pith:2018:ZWL5MCFNEN32X2AXY5IJ2KPGFA

not attested not anchored not stored refs pending

A functional characterization of the Hurewicz property

Alexander V. Osipov

arxiv:1805.11960 v1 · 2018-05-27 · 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{ZWL5MCFNEN32X2AXY5IJ2KPGFA}

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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.

Cited by

1 paper in Pith

On Ramsey properties, function spaces, and topological games

Receipt and verification

First computed	2026-05-18T00:14:35.631636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd97d608ad2377abe817c7509d29e6283de85c9307540d8de44824d571e13d30

Aliases

arxiv: 1805.11960 · arxiv_version: 1805.11960v1 · doi: 10.48550/arxiv.1805.11960 · pith_short_12: ZWL5MCFNEN32 · pith_short_16: ZWL5MCFNEN32X2AX · pith_short_8: ZWL5MCFN

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/ZWL5MCFNEN32X2AXY5IJ2KPGFA \
  | 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: cd97d608ad2377abe817c7509d29e6283de85c9307540d8de44824d571e13d30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92bf4e56b2e4b92471bc5ebf0f451dd94f48e9a20f6263335b82a1fe9ce72b63",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2018-05-27T18:24:11Z",
    "title_canon_sha256": "3928ea16541bfb26cba76fb1038b78164882d50a1afc3a32a210a1833ab43e4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.11960",
    "kind": "arxiv",
    "version": 1
  }
}