pith. sign in
Pith Number

pith:OQQXLNW2

pith:2014:OQQXLNW2LQCE7HOYLT6ZBZGZYE
not attested not anchored not stored refs pending

Rothberger gaps in fragmented ideals

Diego A. Mej\'ia, J\"org Brendle

arxiv:1409.0222 v1 · 2014-08-31 · math.LO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{OQQXLNW2LQCE7HOYLT6ZBZGZYE}

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 2026-05-18T02:43:53.142757Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

742175b6da5c044f9dd85cfd90e4d9c13b782636e70ba104b7e97da56302ea37

Aliases

arxiv: 1409.0222 · arxiv_version: 1409.0222v1 · doi: 10.48550/arxiv.1409.0222 · pith_short_12: OQQXLNW2LQCE · pith_short_16: OQQXLNW2LQCE7HOY · pith_short_8: OQQXLNW2
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/OQQXLNW2LQCE7HOYLT6ZBZGZYE \
  | 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: 742175b6da5c044f9dd85cfd90e4d9c13b782636e70ba104b7e97da56302ea37
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "062901536a50949140a958a1103e5b4fde7ae0cc806a61da9d316e0ff0ca37cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2014-08-31T14:18:46Z",
    "title_canon_sha256": "3858f369b601511cd5b234a6903b4b19b0dcfd19a42642c16416d7dbdf1e4593"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.0222",
    "kind": "arxiv",
    "version": 1
  }
}