Pith Number

pith:VRZ4PQU3

pith:2014:VRZ4PQU37QX3HWOPUWSKL7NS3M

not attested not anchored not stored refs pending

Countable dense homogeneous filters and the Menger covering property

Du\v{s}an Repov\v{s}, Lyubomyr Zdomskyy, Shuguo Zhang

arxiv:1406.0692 v1 · 2014-06-03 · math.GN · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VRZ4PQU37QX3HWOPUWSKL7NS3M}

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	2026-05-18T02:50:33.049004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac73c7c29bfc2fb3d9cfa5a4a5fdb2db3cb6b704468dc8f74c713a55345d1942

Aliases

arxiv: 1406.0692 · arxiv_version: 1406.0692v1 · doi: 10.48550/arxiv.1406.0692 · pith_short_12: VRZ4PQU37QX3 · pith_short_16: VRZ4PQU37QX3HWOP · pith_short_8: VRZ4PQU3

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/VRZ4PQU37QX3HWOPUWSKL7NS3M \
  | 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: ac73c7c29bfc2fb3d9cfa5a4a5fdb2db3cb6b704468dc8f74c713a55345d1942

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed166b987802949a61e5bb54b227031e99633fe2e77ff74ff02c9297e279fc80",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2014-06-03T12:46:27Z",
    "title_canon_sha256": "ff5c8018a8482f0a34c6586183313b3bd5f6870f855f42ac594edb186659b434"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.0692",
    "kind": "arxiv",
    "version": 1
  }
}