Pith Number

pith:U4M3QDA6

pith:2015:U4M3QDA65ODWIVSYYYWPDXVNXV

not attested not anchored not stored refs pending

Pseudocompactness, products and topological Brandt $\lambda^0$-extensions of semitopological monoids

Oleg Gutik, Oleksandr Ravsky

arxiv:1510.05096 v1 · 2015-10-17 · math.GR · 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{U4M3QDA65ODWIVSYYYWPDXVNXV}

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	2026-05-18T01:19:49.493152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a719b80c1eeb87645658c62cf1deadbd6bfa75120fed6d18f926d4eb9434503c

Aliases

arxiv: 1510.05096 · arxiv_version: 1510.05096v1 · doi: 10.48550/arxiv.1510.05096 · pith_short_12: U4M3QDA65ODW · pith_short_16: U4M3QDA65ODWIVSY · pith_short_8: U4M3QDA6

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/U4M3QDA65ODWIVSYYYWPDXVNXV \
  | 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: a719b80c1eeb87645658c62cf1deadbd6bfa75120fed6d18f926d4eb9434503c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "213cc2d17a204d000920e468bdc081d50ac2268fad88845ce340c5b9f1d739ed",
    "cross_cats_sorted": [
      "math.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2015-10-17T08:15:20Z",
    "title_canon_sha256": "da013d8ae7d1565c0e4961adf451a51edb8377c1f81ee5cafdc0d7f439d28250"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.05096",
    "kind": "arxiv",
    "version": 1
  }
}