Pith Number

pith:PYN4QTXH

pith:2019:PYN4QTXHPIS3GKENNY4SQA4KAK

not attested not anchored not stored refs pending

Fine structure of the homomorphisms of the lattice of uniformly continuous functions on the line

F\'elix Cabello S\'anchez

arxiv:1905.09031 v1 · 2019-05-22 · 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{PYN4QTXHPIS3GKENNY4SQA4KAK}

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	2026-05-17T23:45:24.561442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e1bc84ee77a25b3288d6e3928038a02b8eceae484f84ef97292d3458c67f7b7

Aliases

arxiv: 1905.09031 · arxiv_version: 1905.09031v1 · doi: 10.48550/arxiv.1905.09031 · pith_short_12: PYN4QTXHPIS3 · pith_short_16: PYN4QTXHPIS3GKEN · pith_short_8: PYN4QTXH

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/PYN4QTXHPIS3GKENNY4SQA4KAK \
  | 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: 7e1bc84ee77a25b3288d6e3928038a02b8eceae484f84ef97292d3458c67f7b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af2d1ebc3adaae88eb8ee96304864fb4fcec59ef9ab2640d04f279f30ba44a5f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2019-05-22T09:14:05Z",
    "title_canon_sha256": "82fbe7985a216f4cf4c1f5497c5bbf5a20766164e1a690dc07e3a03fb6391ba3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.09031",
    "kind": "arxiv",
    "version": 1
  }
}