Pith Number

pith:26JTHDJH

pith:2017:26JTHDJHXCDBBFFFRFNYFXSXTU

not attested not anchored not stored refs pending

Mixed forward-backward stability of the two-level orthogonal Arnoldi method for quadratic problems

Javier P\'erez, Karl Meerbergen

arxiv:1707.00930 v1 · 2017-07-04 · 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{26JTHDJHXCDBBFFFRFNYFXSXTU}

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	2026-05-18T00:40:56.628229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d793338d27b8861094a5895b82de579d1bd31d86bca5f51142355c1bb2552ad4

Aliases

arxiv: 1707.00930 · arxiv_version: 1707.00930v1 · doi: 10.48550/arxiv.1707.00930 · pith_short_12: 26JTHDJHXCDB · pith_short_16: 26JTHDJHXCDBBFFF · pith_short_8: 26JTHDJH

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/26JTHDJHXCDBBFFFRFNYFXSXTU \
  | 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: d793338d27b8861094a5895b82de579d1bd31d86bca5f51142355c1bb2552ad4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4f8955cb5f89788675f6e3099b6447ca8b165ae9b71c5a653a6456a061ab489",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-07-04T11:50:19Z",
    "title_canon_sha256": "409150a1da543cb9af1458b374d994de66ca60e2540f6047402e6071e7902fc0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.00930",
    "kind": "arxiv",
    "version": 1
  }
}