Pith Number

pith:BIX6XF7U

pith:2017:BIX6XF7UYHOSP3LWBMSYSQFFMI

not attested not anchored not stored refs pending

The Number of Zeros of Unilateral Polynomials over Coquaternions Revisited

Fernando Miranda, M.Irene Falc\~ao, M. Joana Soares, Ricardo Severino

arxiv:1703.10986 v2 · 2017-03-31 · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BIX6XF7UYHOSP3LWBMSYSQFFMI}

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	2026-05-18T00:23:09.041096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a2feb97f4c1dd27ed760b258940a5620b4db4c3376e9365c16a1a170538e6f7

Aliases

arxiv: 1703.10986 · arxiv_version: 1703.10986v2 · doi: 10.48550/arxiv.1703.10986 · pith_short_12: BIX6XF7UYHOS · pith_short_16: BIX6XF7UYHOSP3LW · pith_short_8: BIX6XF7U

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/BIX6XF7UYHOSP3LWBMSYSQFFMI \
  | 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: 0a2feb97f4c1dd27ed760b258940a5620b4db4c3376e9365c16a1a170538e6f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c474c87748201df1340c99930a9095d530d47cfe04bbd944504fe780c4cf726b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-03-31T17:10:49Z",
    "title_canon_sha256": "fc72f8e5d00ab2bfa50f9c191f6db9d7ca6c886197506fe07f97c23b5ca99e7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.10986",
    "kind": "arxiv",
    "version": 2
  }
}