Pith Number

pith:UEJMVNJD

pith:2013:UEJMVNJDI7SIZDZLPBP7HYSAGQ

not attested not anchored not stored refs pending

On the congruence kernel of isotropic groups over rings

A. Stavrova

arxiv:1305.0057 v4 · 2013-04-30 · 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{UEJMVNJDI7SIZDZLPBP7HYSAGQ}

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	2026-05-17T23:54:42.125538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a112cab52347e48c8f2b785ff3e240342899117c858e251d71d7713d0f7019fa

Aliases

arxiv: 1305.0057 · arxiv_version: 1305.0057v4 · doi: 10.48550/arxiv.1305.0057 · pith_short_12: UEJMVNJDI7SI · pith_short_16: UEJMVNJDI7SIZDZL · pith_short_8: UEJMVNJD

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/UEJMVNJDI7SIZDZLPBP7HYSAGQ \
  | 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: a112cab52347e48c8f2b785ff3e240342899117c858e251d71d7713d0f7019fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73ff9997df96d0e025fead466eaaaabbea9c5d588d590e030aaca31cedf42331",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2013-04-30T23:56:45Z",
    "title_canon_sha256": "dded81dd0fe2a5df012166271c0a8486606e45169268418dd77b316eb09c3c06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.0057",
    "kind": "arxiv",
    "version": 4
  }
}