Pith Number

pith:ANGZLP5N

pith:2026:ANGZLP5N6SKVWHUINGTVU2VIXP

not attested not anchored not stored refs pending

Sectionally indecomposable groups

Andrea Lucchini, Nowras Otmen

arxiv:2606.28080 v1 · 2026-06-26 · 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{ANGZLP5N6SKVWHUINGTVU2VIXP}

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	2026-06-29T01:14:57.419471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

034d95bfadf4955b1e8869a75a6aa8bbc3b92cbc73144cbbed54c50a0d21a72a

Aliases

arxiv: 2606.28080 · arxiv_version: 2606.28080v1 · doi: 10.48550/arxiv.2606.28080 · pith_short_12: ANGZLP5N6SKV · pith_short_16: ANGZLP5N6SKVWHUI · pith_short_8: ANGZLP5N

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/ANGZLP5N6SKVWHUINGTVU2VIXP \
  | 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: 034d95bfadf4955b1e8869a75a6aa8bbc3b92cbc73144cbbed54c50a0d21a72a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d269560094cebb3c6f628bb1dc277e028c53c26be29f1852c795b3959a97e537",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2026-06-26T13:45:08Z",
    "title_canon_sha256": "b3b3f6d5dfa0bde16a97372486c481f7b4fa0ccf2c7345258f2799d87b8cea87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.28080",
    "kind": "arxiv",
    "version": 1
  }
}