Pith Number

pith:KJTH42LG

pith:2019:KJTH42LGVVAVDNC2KKVI2BAF2S

not attested not anchored not stored refs pending

Effective local compactness and the hyperspace of located sets

Arno Pauly

arxiv:1903.05490 v1 · 2019-03-13 · cs.LO · 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{KJTH42LGVVAVDNC2KKVI2BAF2S}

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	2026-05-17T23:51:20.773188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52667e6966ad4151b45a52aa8d0405d48c4e1e69048f9914002f6fe086390dba

Aliases

arxiv: 1903.05490 · arxiv_version: 1903.05490v1 · doi: 10.48550/arxiv.1903.05490 · pith_short_12: KJTH42LGVVAV · pith_short_16: KJTH42LGVVAVDNC2 · pith_short_8: KJTH42LG

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/KJTH42LGVVAVDNC2KKVI2BAF2S \
  | 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: 52667e6966ad4151b45a52aa8d0405d48c4e1e69048f9914002f6fe086390dba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10a5fb36c7d5c3c5652a540195ca3ac7e63e4e2b159c0f2a2e79ed88caccfbb2",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-03-13T13:51:36Z",
    "title_canon_sha256": "530976cae68fe82cf0b55efafa57b90f0238c2b1268fc3c7e2d37d64943078af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05490",
    "kind": "arxiv",
    "version": 1
  }
}