Pith Number

pith:WCHEHHBZ

pith:2015:WCHEHHBZAMJF7RD2SGXUSUIRPP

not attested not anchored not stored refs pending

Newton's method in practice: finding all roots of polynomials of degree one million efficiently

Dierk Schleicher, Robin Stoll

arxiv:1508.02935 v2 · 2015-08-12 · math.NA · cs.NA · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WCHEHHBZAMJF7RD2SGXUSUIRPP}

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	2026-05-18T00:35:35.986687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b08e439c3903125fc47a91af4951117bcf9196d1185f8b38a76a9957a38a1b96

Aliases

arxiv: 1508.02935 · arxiv_version: 1508.02935v2 · doi: 10.48550/arxiv.1508.02935 · pith_short_12: WCHEHHBZAMJF · pith_short_16: WCHEHHBZAMJF7RD2 · pith_short_8: WCHEHHBZ

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/WCHEHHBZAMJF7RD2SGXUSUIRPP \
  | 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: b08e439c3903125fc47a91af4951117bcf9196d1185f8b38a76a9957a38a1b96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b931f3d361cd3b53ada468f684c50bdf71a0d0248efa992fa07e9979cadf075",
    "cross_cats_sorted": [
      "cs.NA",
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-08-12T14:35:21Z",
    "title_canon_sha256": "d153846dc19d33760e61f17b17b658ddc219663b53fbeb893d42878731666d66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.02935",
    "kind": "arxiv",
    "version": 2
  }
}