Pith Number

pith:WHHVFY4X

pith:2018:WHHVFY4XOLLNGDBA3KHIYJ43TP

not attested not anchored not stored refs pending

Completely Baire spaces, Menger spaces, and projective sets

Franklin D. Tall, Lyubomyr Zdomskyy

arxiv:1803.03458 v1 · 2018-03-09 · math.GN · 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{WHHVFY4XOLLNGDBA3KHIYJ43TP}

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	2026-05-18T00:21:39.516551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1cf52e39772d6d30c20da8e8c279b9bf36a362fb931b9530672616a6de0a2ab

Aliases

arxiv: 1803.03458 · arxiv_version: 1803.03458v1 · doi: 10.48550/arxiv.1803.03458 · pith_short_12: WHHVFY4XOLLN · pith_short_16: WHHVFY4XOLLNGDBA · pith_short_8: WHHVFY4X

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/WHHVFY4XOLLNGDBA3KHIYJ43TP \
  | 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: b1cf52e39772d6d30c20da8e8c279b9bf36a362fb931b9530672616a6de0a2ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23a2e5b7395fdcb9fc5c2bcd46973b1abe291c6cc76069880140cdb75e2c0a05",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2018-03-09T10:37:05Z",
    "title_canon_sha256": "7fca470e4e89fe2800323389b63763c3d8e666959cfd78e12ae8a699a196a68b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.03458",
    "kind": "arxiv",
    "version": 1
  }
}