Pith Number

pith:QVJ674K4

pith:2020:QVJ674K46V23PPUFXLQW5ZMU45

not attested not anchored not stored refs pending

Correction to: A dual iterative substructuring method with a small penalty parameter

Chang-Ock Lee, Eun-Hee Park, Jongho Park

arxiv:2009.08725 v1 · 2020-09-18 · 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{QVJ674K46V23PPUFXLQW5ZMU45}

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	2026-07-05T02:37:05.643973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8553eff15cf575b7be85bae16ee594e77e5ddc05f3466f97cffdafb4150f16c3

Aliases

arxiv: 2009.08725 · arxiv_version: 2009.08725v1 · doi: 10.48550/arxiv.2009.08725 · pith_short_12: QVJ674K46V23 · pith_short_16: QVJ674K46V23PPUF · pith_short_8: QVJ674K4

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/QVJ674K46V23PPUFXLQW5ZMU45 \
  | 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: 8553eff15cf575b7be85bae16ee594e77e5ddc05f3466f97cffdafb4150f16c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd67918c02425e9b1131002c6b982a4dae9b9992cfbc34fcef48688b36f773b2",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2020-09-18T09:59:54Z",
    "title_canon_sha256": "11d3c053610198c2176c1165eb9cd6c4763df1a7acf060ad5f6ccac0526ad931"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.08725",
    "kind": "arxiv",
    "version": 1
  }
}