Pith Number

pith:TUR6VEMB

pith:2013:TUR6VEMBDCJB7XHL6HSRRZQ757

not attested not anchored not stored refs pending

A new class of spaces with all finite powers Lindelof

Natasha May, Paul Szeptycki, Santi Spadaro

arxiv:1302.5287 v1 · 2013-02-21 · 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{TUR6VEMBDCJB7XHL6HSRRZQ757}

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	2026-05-18T03:32:58.171017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d23ea918118921fdcebf1e518e61fefebe23d2bab22d349d06219a70ff82336

Aliases

arxiv: 1302.5287 · arxiv_version: 1302.5287v1 · doi: 10.48550/arxiv.1302.5287 · pith_short_12: TUR6VEMBDCJB · pith_short_16: TUR6VEMBDCJB7XHL · pith_short_8: TUR6VEMB

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/TUR6VEMBDCJB7XHL6HSRRZQ757 \
  | 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: 9d23ea918118921fdcebf1e518e61fefebe23d2bab22d349d06219a70ff82336

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0708f6bee930570085c7221dd3e2caca0faafa6f0b420edac3652612c8dfb2ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2013-02-21T14:07:14Z",
    "title_canon_sha256": "bfdddce15f131594ae61fcf182aac4c7496cfb6c35dd8e2b866c510e9e7c5f06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.5287",
    "kind": "arxiv",
    "version": 1
  }
}