Pith Number

pith:E3POCOE6

pith:2018:E3POCOE6FKREPSBN7UBNMWHPZY

not attested not anchored not stored refs pending

The Geometry of Quadratic Quaternion Polynomials in Euclidean and Non-Euclidean Planes

Hans-Peter Schr\"ocker, Josef Schicho, Zijia Li

arxiv:1805.03539 v1 · 2018-05-09 · math.MG · 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{E3POCOE6FKREPSBN7UBNMWHPZY}

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	2026-05-18T00:16:19.920988Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26dee1389e2aa247c82dfd02d658efce33db7f1ae0d3c8037f6bfe7861dab6d0

Aliases

arxiv: 1805.03539 · arxiv_version: 1805.03539v1 · doi: 10.48550/arxiv.1805.03539 · pith_short_12: E3POCOE6FKRE · pith_short_16: E3POCOE6FKREPSBN · pith_short_8: E3POCOE6

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/E3POCOE6FKREPSBN7UBNMWHPZY \
  | 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: 26dee1389e2aa247c82dfd02d658efce33db7f1ae0d3c8037f6bfe7861dab6d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40b51dafba198ba7aae472be559cc8f543e61333ed988b140cb09e457568ec7e",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2018-05-09T14:01:28Z",
    "title_canon_sha256": "4d88489aa253ce17df2bd6d64da2846f0448cfc1ab161cd4eee6aa1c9e4155b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.03539",
    "kind": "arxiv",
    "version": 1
  }
}