Pith Number

pith:IGRK4DCG

pith:2017:IGRK4DCG3XXYGV6DCBZROQHKLJ

not attested not anchored not stored refs pending

Profinite groups and centralizers of coprime automorphisms whose elements are Engel

Cristina Acciarri, Danilo San\c{c}\~ao da Silveira

arxiv:1707.06889 v1 · 2017-07-20 · 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{IGRK4DCG3XXYGV6DCBZROQHKLJ}

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	2026-05-18T00:39:51.240589Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41a2ae0c46ddef8357c310731740ea5a546a07f98f8f8adf39e22e73418c89c3

Aliases

arxiv: 1707.06889 · arxiv_version: 1707.06889v1 · doi: 10.48550/arxiv.1707.06889 · pith_short_12: IGRK4DCG3XXY · pith_short_16: IGRK4DCG3XXYGV6D · pith_short_8: IGRK4DCG

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/IGRK4DCG3XXYGV6DCBZROQHKLJ \
  | 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: 41a2ae0c46ddef8357c310731740ea5a546a07f98f8f8adf39e22e73418c89c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc832f5314e5e4c668f61fb226ad3925465e91145eb95f162051754b0953270a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2017-07-20T10:01:20Z",
    "title_canon_sha256": "65727f31961727d2d876104bf71eb9dea9cc6c5268d4bdd819890bc76fecb5d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.06889",
    "kind": "arxiv",
    "version": 1
  }
}