Pith Number

pith:XQBNGHZ7

pith:2016:XQBNGHZ7MZQIHUEMJBVLRDNQV3

not attested not anchored not stored refs pending

GMRES convergence bounds for eigenvalue problems

Jennifer Pestana, Melina Freitag, Patrick K\"urschner

arxiv:1609.06201 v3 · 2016-09-20 · 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{XQBNGHZ7MZQIHUEMJBVLRDNQV3}

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	2026-05-18T00:43:30.404286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc02d31f3f666083d08c486ab88db0aeeaacd5788614457e6dda38107ebce91a

Aliases

arxiv: 1609.06201 · arxiv_version: 1609.06201v3 · doi: 10.48550/arxiv.1609.06201 · pith_short_12: XQBNGHZ7MZQI · pith_short_16: XQBNGHZ7MZQIHUEM · pith_short_8: XQBNGHZ7

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/XQBNGHZ7MZQIHUEMJBVLRDNQV3 \
  | 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: bc02d31f3f666083d08c486ab88db0aeeaacd5788614457e6dda38107ebce91a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b679abe2f1a54ad44a887185df12458a72d8de7b171d1a9582924b14690337e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-09-20T14:36:05Z",
    "title_canon_sha256": "d9ca78c678701d9e9c545f910519cf3111a1486502a7eb250f317587ee672726"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.06201",
    "kind": "arxiv",
    "version": 3
  }
}