Pith Number

pith:7ZKVA3ZK

pith:2013:7ZKVA3ZKIL3GFCOH6YL6WFRYRJ

not attested not anchored not stored refs pending

Convergence acceleration of Kaczmarz's method

Claude Brezinski, Michela Redivo-Zaglia

arxiv:1302.0196 v1 · 2013-02-01 · 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{7ZKVA3ZKIL3GFCOH6YL6WFRYRJ}

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	2026-05-18T03:34:47.112086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe55506f2a42f66289c7f617eb16388a5ecc1fbfe91c2dc61cd358cb895ec3ff

Aliases

arxiv: 1302.0196 · arxiv_version: 1302.0196v1 · doi: 10.48550/arxiv.1302.0196 · pith_short_12: 7ZKVA3ZKIL3G · pith_short_16: 7ZKVA3ZKIL3GFCOH · pith_short_8: 7ZKVA3ZK

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/7ZKVA3ZKIL3GFCOH6YL6WFRYRJ \
  | 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: fe55506f2a42f66289c7f617eb16388a5ecc1fbfe91c2dc61cd358cb895ec3ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a48843632c4fb6b18d73e76b125fcc8c5ef918856ea26c38bb0f269bfaf3b520",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-02-01T14:57:40Z",
    "title_canon_sha256": "8d56e8d6671a55d5a53efc7a65f4ba23e2ea735a51a55cfa38ccbdb8cd5e7eea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.0196",
    "kind": "arxiv",
    "version": 1
  }
}