Pith Number

pith:4M2FQ3BR

pith:2014:4M2FQ3BRFVB3TC6J7UBW6KO4EK

not attested not anchored not stored refs pending

Geometric classification of semidirect products in the maximal parabolic subgroup of $\operatorname{Sp}(2,\mathbb{R})$

Ernesto De Vito, Filippo De Mari, Stefano Vigogna

arxiv:1402.5833 v1 · 2014-02-24 · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4M2FQ3BRFVB3TC6J7UBW6KO4EK}

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	2026-05-18T02:58:13.510686Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e334586c312d43b98bc9fd036f29dc22b745ac0bbe99769b541ec3d668af55d0

Aliases

arxiv: 1402.5833 · arxiv_version: 1402.5833v1 · doi: 10.48550/arxiv.1402.5833 · pith_short_12: 4M2FQ3BRFVB3 · pith_short_16: 4M2FQ3BRFVB3TC6J · pith_short_8: 4M2FQ3BR

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/4M2FQ3BRFVB3TC6J7UBW6KO4EK \
  | 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: e334586c312d43b98bc9fd036f29dc22b745ac0bbe99769b541ec3d668af55d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbbba0acac4f445341f8e82e479c79cd4eb63a479cf9e1666642da1e300bac32",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2014-02-24T14:21:06Z",
    "title_canon_sha256": "d5777de434c6067a7b1d53fba484b3faf3ce9e7bd0ed4c16c7d1e43ada1183b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.5833",
    "kind": "arxiv",
    "version": 1
  }
}