Pith Number

pith:OSVWXS7B

pith:2019:OSVWXS7BY5LUDRLNTIWITF35VK

not attested not anchored not stored refs pending

Urysohn Lemmas in Topological Vector Spaces

C. Ganesa Moorthy, S. Ramkumar

arxiv:1902.08591 v1 · 2019-02-21 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OSVWXS7BY5LUDRLNTIWITF35VK}

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	2026-05-17T23:52:56.709364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74ab6bcbe1c75741c56d9a2c89977daaa4ec48424525d826b86254a65f53e0b3

Aliases

arxiv: 1902.08591 · arxiv_version: 1902.08591v1 · doi: 10.48550/arxiv.1902.08591 · pith_short_12: OSVWXS7BY5LU · pith_short_16: OSVWXS7BY5LUDRLN · pith_short_8: OSVWXS7B

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/OSVWXS7BY5LUDRLNTIWITF35VK \
  | 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: 74ab6bcbe1c75741c56d9a2c89977daaa4ec48424525d826b86254a65f53e0b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30c6f5be4d3fee86a7bf4eafa522d299631c7caefd84b7827ebc88d9e973a202",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2019-02-21T02:13:43Z",
    "title_canon_sha256": "f9c5760ba93151bfd36a6551a4066c16010ae5394d000cab96b9b61ceeb1e987"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08591",
    "kind": "arxiv",
    "version": 1
  }
}