Pith Number

pith:IOA7F3YT

pith:2013:IOA7F3YTI37A7YLHYON2ZPOGLK

not attested not anchored not stored refs pending

From the Poincar\'e Theorem to generators of the unit group of integral group rings of finite groups

Ann Kiefer, Anotnio Calixto Souza Filho, Antonio de Andrade e Silva, Eric Jespers, Stanley Orlando Juriaans

arxiv:1310.7214 v1 · 2013-10-27 · math.GR · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IOA7F3YTI37A7YLHYON2ZPOGLK}

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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	2026-05-18T03:08:45.928421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4381f2ef1346fe0fe167c39bacbdc65ab557e585dd9aecb3d8ffced1a94231cb

Aliases

arxiv: 1310.7214 · arxiv_version: 1310.7214v1 · doi: 10.48550/arxiv.1310.7214 · pith_short_12: IOA7F3YTI37A · pith_short_16: IOA7F3YTI37A7YLH · pith_short_8: IOA7F3YT

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/IOA7F3YTI37A7YLHYON2ZPOGLK \
  | 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: 4381f2ef1346fe0fe167c39bacbdc65ab557e585dd9aecb3d8ffced1a94231cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85e639026264f94903d160e8c3fc5b88a629e838edbc528e7ac3e14ff7d863be",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2013-10-27T17:03:09Z",
    "title_canon_sha256": "2f356cfe6e7043838b116cee29a70d06eb40f8058d6ad1a1580558899ae3bc6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.7214",
    "kind": "arxiv",
    "version": 1
  }
}