Pith Number

pith:Y2GO7PHK

pith:2017:Y2GO7PHKP6ER5KIO6AOF537QRL

not attested not anchored not stored refs pending

A restarted GMRES-based implementation of IDR(s)stab(L) to yield higher robustness

Martin P. Neuenhofen

arxiv:1708.01926 v1 · 2017-08-06 · 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{Y2GO7PHKP6ER5KIO6AOF537QRL}

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	2026-05-18T00:38:32.766656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c68cefbcea7f891ea90ef01c5eeff08aebd17b1e64e6300b1aa3698eae3fadea

Aliases

arxiv: 1708.01926 · arxiv_version: 1708.01926v1 · doi: 10.48550/arxiv.1708.01926 · pith_short_12: Y2GO7PHKP6ER · pith_short_16: Y2GO7PHKP6ER5KIO · pith_short_8: Y2GO7PHK

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/Y2GO7PHKP6ER5KIO6AOF537QRL \
  | 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: c68cefbcea7f891ea90ef01c5eeff08aebd17b1e64e6300b1aa3698eae3fadea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3a2623c08e2289d0f20e34469a68c2fb0ca13f0274587b694f86f458fe92ce9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-08-06T19:29:16Z",
    "title_canon_sha256": "8462dc479d5bb13f95bd337e2b0ffc69ffbe1f85a371c3750542430b4ab9c864"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.01926",
    "kind": "arxiv",
    "version": 1
  }
}