Pith Number

pith:X4XJN2D2

pith:2017:X4XJN2D272MPNWYQWNCGDQMH3Z

not attested not anchored not stored refs pending

Adding a non-reflecting weakly compact set

Brent Cody

arxiv:1701.04358 v6 · 2017-01-16 · 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{X4XJN2D272MPNWYQWNCGDQMH3Z}

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.

Cited by

1 paper in Pith

Generalisations of Stationarity, Closed and Unboundedness, and of Jensen's $\Box$

Receipt and verification

First computed	2026-07-05T02:36:03.035209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf2e96e87afe98f6db10b34461c187de55234159b0b91102cde490c961bc7f6a

Aliases

arxiv: 1701.04358 · arxiv_version: 1701.04358v6 · doi: 10.48550/arxiv.1701.04358 · pith_short_12: X4XJN2D272MP · pith_short_16: X4XJN2D272MPNWYQ · pith_short_8: X4XJN2D2

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/X4XJN2D272MPNWYQWNCGDQMH3Z \
  | 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: bf2e96e87afe98f6db10b34461c187de55234159b0b91102cde490c961bc7f6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cac40825eaeab0ffde63685fc1d0d26c06fe67455b5e08b6b9d501ec14bc1c86",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-01-16T17:20:43Z",
    "title_canon_sha256": "c9e739b1bef78d08e74d42ccb21681d09c84ef48bd7c2a770bb3f8ca1343da4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.04358",
    "kind": "arxiv",
    "version": 6
  }
}