Pith Number

pith:SJSNMGXG

pith:2017:SJSNMGXGEGN6KRXQVPO5IDODI4

not attested not anchored not stored refs pending

An algorithm to determine Hopf Galois structures

Marta Salguero, Teresa Crespo

arxiv:1704.00232 v2 · 2017-04-01 · 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{SJSNMGXGEGN6KRXQVPO5IDODI4}

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	2026-05-18T00:39:36.112551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9264d61ae6219be546f0abddd40dc3472bc00f900434d85c31434ea25fa8b1a7

Aliases

arxiv: 1704.00232 · arxiv_version: 1704.00232v2 · doi: 10.48550/arxiv.1704.00232 · pith_short_12: SJSNMGXGEGN6 · pith_short_16: SJSNMGXGEGN6KRXQ · pith_short_8: SJSNMGXG

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/SJSNMGXGEGN6KRXQVPO5IDODI4 \
  | 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: 9264d61ae6219be546f0abddd40dc3472bc00f900434d85c31434ea25fa8b1a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "828a74122c984f217317483ed35d07bcb4264c8d443d03181b50a4c8b3864816",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2017-04-01T21:45:38Z",
    "title_canon_sha256": "6a9044c00edee57d8b6347624ca35740ccc2a1d2f4d7fb15d9fcd8942c5dba08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.00232",
    "kind": "arxiv",
    "version": 2
  }
}