Pith Number

pith:UHMKSSWC

pith:2013:UHMKSSWCM7VISTNA3R6ZOOCEFP

not attested not anchored not stored refs pending

On feebly compact inverse primitive (semi)topological semigroups

Oleg Gutik, Oleksandr Ravsky

arxiv:1310.4313 v2 · 2013-10-16 · 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{UHMKSSWCM7VISTNA3R6ZOOCEFP}

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	2026-05-18T01:29:11.755925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1d8a94ac267ea894da0dc7d9738442bde43c058fa59fd81a0a77ee6d889aec3

Aliases

arxiv: 1310.4313 · arxiv_version: 1310.4313v2 · doi: 10.48550/arxiv.1310.4313 · pith_short_12: UHMKSSWCM7VI · pith_short_16: UHMKSSWCM7VISTNA · pith_short_8: UHMKSSWC

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/UHMKSSWCM7VISTNA3R6ZOOCEFP \
  | 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: a1d8a94ac267ea894da0dc7d9738442bde43c058fa59fd81a0a77ee6d889aec3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5836252f61a8c84762c86f8ea5905caca7cd1a691005bf51848acd6cd935ee74",
    "cross_cats_sorted": [
      "math.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2013-10-16T09:56:59Z",
    "title_canon_sha256": "e9f4002dea3a1107901f0c8cfb82d1d115c59050d3330b2dbbed553cc49128e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.4313",
    "kind": "arxiv",
    "version": 2
  }
}