Pith Number

pith:A6XXAXFM

pith:2024:A6XXAXFMZG75KUTKO5X2MTYET2

not attested not anchored not stored refs pending

OBK-RCM: Accelerated Orthogonal Block Kaczmarz Algorithm via RCM Reordering and Dynamic Grouping for Sparse Linear Systems

Hou-Biao Li, Yu-Fang Liang

arxiv:2401.00672 v4 · 2024-01-01 · 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{A6XXAXFMZG75KUTKO5X2MTYET2}

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	2026-07-05T11:25:00.176741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07af705cacc9bfd5526a776fa64f049e8359353ea691f4f3df45defb8b551a02

Aliases

arxiv: 2401.00672 · arxiv_version: 2401.00672v4 · doi: 10.48550/arxiv.2401.00672 · pith_short_12: A6XXAXFMZG75 · pith_short_16: A6XXAXFMZG75KUTK · pith_short_8: A6XXAXFM

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/A6XXAXFMZG75KUTKO5X2MTYET2 \
  | 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: 07af705cacc9bfd5526a776fa64f049e8359353ea691f4f3df45defb8b551a02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "323ca7843952438378b5e299f3f0c7f655d0a0db0a474620a1dee5f8dde2bc44",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-01-01T05:31:18Z",
    "title_canon_sha256": "ac957d40797138110b4e5d04eae9c06db9b9ddbf40b7a225256787252dc5b08d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.00672",
    "kind": "arxiv",
    "version": 4
  }
}