Pith Number

pith:S437YMP4

pith:2018:S437YMP46JHVYUAJGNFLEZABGJ

not attested not anchored not stored refs pending

Generalized Whitney Topologies are Baire

Edson de Faria, Peter Hazard

arxiv:1809.10574 v1 · 2018-09-27 · math.GT · math.DG · math.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S437YMP46JHVYUAJGNFLEZABGJ}

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	2026-05-18T00:04:38.071184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9737fc31fcf24f5c5009334ab2640132418ab4a9b1442472236ec2627196fc03

Aliases

arxiv: 1809.10574 · arxiv_version: 1809.10574v1 · doi: 10.48550/arxiv.1809.10574 · pith_short_12: S437YMP46JHV · pith_short_16: S437YMP46JHVYUAJ · pith_short_8: S437YMP4

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/S437YMP46JHVYUAJGNFLEZABGJ \
  | 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: 9737fc31fcf24f5c5009334ab2640132418ab4a9b1442472236ec2627196fc03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f91f3994f7a56c42e62e559b7fa67d6bc340e4204437e083086059c8e60bc0b",
    "cross_cats_sorted": [
      "math.DG",
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2018-09-27T15:26:09Z",
    "title_canon_sha256": "6bc02f05020d427b98af1d2cd73c5effc7a9313c4bed56afe3234ab882d3bde9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.10574",
    "kind": "arxiv",
    "version": 1
  }
}