Pith Number

pith:XN63HGWN

pith:2014:XN63HGWNFX22D2JCXJ5PNAQTUH

not attested not anchored not stored refs pending

High dimensional Ellentuck spaces and initial chains in the Tukey structure of non-p-points

Natasha Dobrinen

arxiv:1406.1291 v1 · 2014-06-05 · 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{XN63HGWNFX22D2JCXJ5PNAQTUH}

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	2026-05-18T02:50:23.571298Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb7db39acd2df5a1e922ba7af68213a1e79b7cfdf5aba9b4f64c60a59b7e2ae0

Aliases

arxiv: 1406.1291 · arxiv_version: 1406.1291v1 · doi: 10.48550/arxiv.1406.1291 · pith_short_12: XN63HGWNFX22 · pith_short_16: XN63HGWNFX22D2JC · pith_short_8: XN63HGWN

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/XN63HGWNFX22D2JCXJ5PNAQTUH \
  | 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: bb7db39acd2df5a1e922ba7af68213a1e79b7cfdf5aba9b4f64c60a59b7e2ae0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "079cebb32f658eca0228e34df6541431ae9a2a79dc8dde212abc85c83629602a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2014-06-05T08:20:41Z",
    "title_canon_sha256": "3d30e72e4ebac5bfec2e7f9da9ade127efe75759118f952366d0dd8cdc6a19a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.1291",
    "kind": "arxiv",
    "version": 1
  }
}