Pith Number

pith:VQYOQRWE

pith:2016:VQYOQRWEQAF3QBPRKK4NYLNS3E

not attested not anchored not stored refs pending

On the definability of Menger spaces which are not /sigma-compact

Franklin D. Tall, Secil Tokgoz

arxiv:1607.04688 v1 · 2016-07-16 · 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{VQYOQRWEQAF3QBPRKK4NYLNS3E}

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	2026-05-18T01:10:56.978690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac30e846c4800bb805f152b8dc2db2d90306c7987f7dbff62856da880a435945

Aliases

arxiv: 1607.04688 · arxiv_version: 1607.04688v1 · doi: 10.48550/arxiv.1607.04688 · pith_short_12: VQYOQRWEQAF3 · pith_short_16: VQYOQRWEQAF3QBPR · pith_short_8: VQYOQRWE

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/VQYOQRWEQAF3QBPRKK4NYLNS3E \
  | 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: ac30e846c4800bb805f152b8dc2db2d90306c7987f7dbff62856da880a435945

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "289de2f64dc2e53bf3a13cf6444d1569e9a07bf7204f07af43c8dfe3a7316085",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2016-07-16T00:52:31Z",
    "title_canon_sha256": "ca4863c2e47f71f26de58b5a58e0eedebc5a40989d24cc14d145282baffbd57e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.04688",
    "kind": "arxiv",
    "version": 1
  }
}