Pith Number

pith:UKG52FTR

pith:2014:UKG52FTRRROWY7J7AULSNSPSZM

not attested not anchored not stored refs pending

On the height of subgroups of Homeo(I)

Azer Akhmedov

arxiv:1403.2634 v2 · 2014-03-11 · math.GR · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UKG52FTRRROWY7J7AULSNSPSZM}

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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	2026-05-18T02:42:08.033122Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a28ddd16718c5d6c7d3f051726c9f2cb30682270ca2910c39b442dae4c76166a

Aliases

arxiv: 1403.2634 · arxiv_version: 1403.2634v2 · doi: 10.48550/arxiv.1403.2634 · pith_short_12: UKG52FTRRROW · pith_short_16: UKG52FTRRROWY7J7 · pith_short_8: UKG52FTR

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/UKG52FTRRROWY7J7AULSNSPSZM \
  | 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: a28ddd16718c5d6c7d3f051726c9f2cb30682270ca2910c39b442dae4c76166a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5612eb34af3ef8443f165757db16ddccadd4b500c995e18dbfe19b80a919aad0",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2014-03-11T16:38:13Z",
    "title_canon_sha256": "1fbb253bd79b4570f7b3c8adbeac34874690c335ce458873c5b5ec9fd527a0aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.2634",
    "kind": "arxiv",
    "version": 2
  }
}