Pith Number

pith:NGF3ZD7L

pith:2012:NGF3ZD7L7D4QM6IICIJHZ4JDQA

not attested not anchored not stored refs pending

Kantorovich's Theorem on Newton's Method

B. F. Svaiter, O. P. Ferreira

arxiv:1209.5704 v1 · 2012-09-25 · 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{NGF3ZD7L7D4QM6IICIJHZ4JDQA}

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	2026-05-18T03:44:47.760011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

698bbc8febf8f906790812127cf1238025d66c2fae466ac5ffcb63d0eb543729

Aliases

arxiv: 1209.5704 · arxiv_version: 1209.5704v1 · doi: 10.48550/arxiv.1209.5704 · pith_short_12: NGF3ZD7L7D4Q · pith_short_16: NGF3ZD7L7D4QM6II · pith_short_8: NGF3ZD7L

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/NGF3ZD7L7D4QM6IICIJHZ4JDQA \
  | 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: 698bbc8febf8f906790812127cf1238025d66c2fae466ac5ffcb63d0eb543729

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2963305fa1eea8da81052af1a00d969c017b1d97634ab3903dee018d6633a11",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-09-25T18:00:11Z",
    "title_canon_sha256": "aeae245fd192603e09a401ef8ef8d12e3c56f3ad2fd43aca83d79ec25c7654d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.5704",
    "kind": "arxiv",
    "version": 1
  }
}