Pith Number

pith:R4FN7L4Q

pith:2015:R4FN7L4QWGPBRW5EOHO3WDR77M

not attested not anchored not stored refs pending

Square-Central and Artin-Schreier Elements in Division Algebras

Adam Chapman, Demba Barry

arxiv:1501.03831 v2 · 2015-01-15 · 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{R4FN7L4QWGPBRW5EOHO3WDR77M}

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	2026-05-18T02:19:00.468112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f0adfaf90b19e18dba471ddbb0e3ffb05df9ef0b7853a384c96c962b3a21429

Aliases

arxiv: 1501.03831 · arxiv_version: 1501.03831v2 · doi: 10.48550/arxiv.1501.03831 · pith_short_12: R4FN7L4QWGPB · pith_short_16: R4FN7L4QWGPBRW5E · pith_short_8: R4FN7L4Q

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/R4FN7L4QWGPBRW5EOHO3WDR77M \
  | 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: 8f0adfaf90b19e18dba471ddbb0e3ffb05df9ef0b7853a384c96c962b3a21429

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "855786b31b8223d3a82838e073890410715861baabf814d643294efb2ca1192f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2015-01-15T21:16:02Z",
    "title_canon_sha256": "65d635f0ddf87e81b23abc0e3398d4f949c01305228ee5a43d0806c1a017c08a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.03831",
    "kind": "arxiv",
    "version": 2
  }
}