Pith Number

pith:6AIJJ2GZ

pith:2018:6AIJJ2GZGO4HFXOQ26LHLFNDEN

not attested not anchored not stored refs pending

Equivalence of the Rothberger and $2$-Rothberger Games for Hausdorff Spaces

Lior Fishman, Logan Crone, Nathaniel Hiers, Stephen Jackson

arxiv:1801.02538 v1 · 2018-01-08 · 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{6AIJJ2GZGO4HFXOQ26LHLFNDEN}

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	2026-05-18T00:26:31.212331Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f01094e8d933b872ddd0d7967595a32374aa33af1f8844b0cfdf4148b9c5cd59

Aliases

arxiv: 1801.02538 · arxiv_version: 1801.02538v1 · doi: 10.48550/arxiv.1801.02538 · pith_short_12: 6AIJJ2GZGO4H · pith_short_16: 6AIJJ2GZGO4HFXOQ · pith_short_8: 6AIJJ2GZ

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/6AIJJ2GZGO4HFXOQ26LHLFNDEN \
  | 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: f01094e8d933b872ddd0d7967595a32374aa33af1f8844b0cfdf4148b9c5cd59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d67c04ed67d63283bb62ca263b32d7927762c6488da1b93cbf68f865273ab69",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2018-01-08T16:21:40Z",
    "title_canon_sha256": "d8330d5d2a5b9eb480a78fc539c3b354d10598fd4998e8ec0101021a8f4b00ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.02538",
    "kind": "arxiv",
    "version": 1
  }
}