Pith Number

pith:HS6KCAZ5

pith:2017:HS6KCAZ5INYY2NVPIX5ZXFOZHG

not attested not anchored not stored refs pending

Accuracy Directly Controlled Fast Direct Solutions of General ${\cal H}^2$-Matrices and Its Application to Electrically Large Integral-Equation-Based Electromagnetic Analysis

Dan Jiao, Miaomiao Ma

arxiv:1703.06155 v1 · 2017-03-17 · 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{HS6KCAZ5INYY2NVPIX5ZXFOZHG}

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	2026-05-18T00:25:34.553920Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cbca1033d43718d36af45fb9b95d939bb74ef79844e02990e38fa0559089160

Aliases

arxiv: 1703.06155 · arxiv_version: 1703.06155v1 · doi: 10.48550/arxiv.1703.06155 · pith_short_12: HS6KCAZ5INYY · pith_short_16: HS6KCAZ5INYY2NVP · pith_short_8: HS6KCAZ5

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/HS6KCAZ5INYY2NVPIX5ZXFOZHG \
  | 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: 3cbca1033d43718d36af45fb9b95d939bb74ef79844e02990e38fa0559089160

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6dfb717ebb8108a7339bf1258f7a16256f6ffcc4de79f73fc6951f6d92493b16",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-03-17T18:34:30Z",
    "title_canon_sha256": "0f37af92f419c457ea9b2450d62437664cefc0a1baee8bcc9abb48423de5c69d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.06155",
    "kind": "arxiv",
    "version": 1
  }
}