Pith Number

pith:UTRSK5VM

pith:2019:UTRSK5VMVGZ4Q63ERKCBNEBUFL

not attested not anchored not stored refs pending

Pairwise Semiregular Properties on Generalized Pairwise Lindelof Spaces

Zabidin Salleh

arxiv:1904.02445 v1 · 2019-04-04 · 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{UTRSK5VMVGZ4Q63ERKCBNEBUFL}

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	2026-05-17T23:49:23.651205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4e32576aca9b3c87b648a841690342ad2715906b2f1f6dbfde78a782fa82b8e

Aliases

arxiv: 1904.02445 · arxiv_version: 1904.02445v1 · doi: 10.48550/arxiv.1904.02445 · pith_short_12: UTRSK5VMVGZ4 · pith_short_16: UTRSK5VMVGZ4Q63E · pith_short_8: UTRSK5VM

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/UTRSK5VMVGZ4Q63ERKCBNEBUFL \
  | 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: a4e32576aca9b3c87b648a841690342ad2715906b2f1f6dbfde78a782fa82b8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a1768373db535e3c832e4b265ff33b2e4fc4a7d57768981dee2f727e87faa0d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2019-04-04T10:04:44Z",
    "title_canon_sha256": "bb6106714423c2491bb27edffce108129a3b373a1f2bd7e05eb6ac5d6797a7c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02445",
    "kind": "arxiv",
    "version": 1
  }
}