Pith Number

pith:4HJSIIWW

pith:2018:4HJSIIWWHFPFXLBINFGHOWWHVG

not attested not anchored not stored refs pending

On the geometry of strongly flat semigroups and their generalizations

Andr\'as N\'emethi, Tam\'as L\'aszl\'o

arxiv:1809.06328 v1 · 2018-09-17 · math.AG · math.CO · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4HJSIIWWHFPFXLBINFGHOWWHVG}

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	2026-05-18T00:05:35.011782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1d32422d6395e5bac28694c775ac7a98ffd1d1bf0c81fff2151973eabdd1823

Aliases

arxiv: 1809.06328 · arxiv_version: 1809.06328v1 · doi: 10.48550/arxiv.1809.06328 · pith_short_12: 4HJSIIWWHFPF · pith_short_16: 4HJSIIWWHFPFXLBI · pith_short_8: 4HJSIIWW

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/4HJSIIWWHFPFXLBINFGHOWWHVG \
  | 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: e1d32422d6395e5bac28694c775ac7a98ffd1d1bf0c81fff2151973eabdd1823

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2632f7c1841beaf030038d0038431c4ceef3e1b910e22dcef1cffc73949dbefb",
    "cross_cats_sorted": [
      "math.CO",
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-09-17T17:01:15Z",
    "title_canon_sha256": "4845ac19d460db4a105f61169b015d02eaebf0c081f8926555a68a75bb3377ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.06328",
    "kind": "arxiv",
    "version": 1
  }
}