Pith Number

pith:ARQAP2Z2

pith:2005:ARQAP2Z2UAMO2UILVW2M3L6CN5

not attested not anchored not stored refs pending

On finding complex roots of polynomials using the Routh array

Alan Weinstein, Harold Foecke

arxiv:math/0508468 v3 · 2005-08-24 · math.NA · cs.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{ARQAP2Z2UAMO2UILVW2M3L6CN5}

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	2026-06-08T19:05:16.674924Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

046007eb3aa018ed510badb4cdafc26f7ad7bd5b08b8c09b558315e5e3b862d4

Aliases

arxiv: math/0508468 · arxiv_version: math/0508468v3 · doi: 10.48550/arxiv.math/0508468 · pith_short_12: ARQAP2Z2UAMO · pith_short_16: ARQAP2Z2UAMO2UIL · pith_short_8: ARQAP2Z2

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/ARQAP2Z2UAMO2UILVW2M3L6CN5 \
  | 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: 046007eb3aa018ed510badb4cdafc26f7ad7bd5b08b8c09b558315e5e3b862d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6c35ece2a0156b93603bc56626b8b3969e3ce45c6fa02d25b81d8ef7d847446",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "",
    "primary_cat": "math.NA",
    "submitted_at": "2005-08-24T14:35:43Z",
    "title_canon_sha256": "75031341105771b57930618123226cfadee1c7ac0b5f1b008d3744bf379e413e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0508468",
    "kind": "arxiv",
    "version": 3
  }
}