Pith Number

pith:EUYS43X6

pith:2023:EUYS43X6NYPW3HRA6HADGGYMJR

not attested not anchored not stored refs pending

A class of pseudoinverse-free greedy block nonlinear Kaczmarz methods for nonlinear systems of equations

Lili Xing, Weiguo Li, Wendi Bao, Ying Lv

arxiv:2304.13220 v1 · 2023-04-26 · 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{EUYS43X6NYPW3HRA6HADGGYMJR}

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	2026-07-05T06:04:41.116575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25312e6efe6e1f6d9e20f1c0331b0c4c737fcc840c545f44532bb6d7cc86fcdc

Aliases

arxiv: 2304.13220 · arxiv_version: 2304.13220v1 · doi: 10.48550/arxiv.2304.13220 · pith_short_12: EUYS43X6NYPW · pith_short_16: EUYS43X6NYPW3HRA · pith_short_8: EUYS43X6

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/EUYS43X6NYPW3HRA6HADGGYMJR \
  | 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: 25312e6efe6e1f6d9e20f1c0331b0c4c737fcc840c545f44532bb6d7cc86fcdc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea7300c1b5964776e82944ad07ebdc1537965e240150ae944f07e3ba189117c7",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2023-04-26T00:57:05Z",
    "title_canon_sha256": "78aa15597a02b462323848617a443703abe50bdf054867c355d0d9cb242d9de2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.13220",
    "kind": "arxiv",
    "version": 1
  }
}