Pith Number

pith:JWGROJJ6

pith:2026:JWGROJJ6NCBKJWLFRO4NYGH42U

not attested not anchored not stored refs pending

A Jacobi-Type Eigensolver for Diagonally Dominant Symmetric Matrices

Luca Gemignani

arxiv:2605.25613 v1 · 2026-05-25 · 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{JWGROJJ6NCBKJWLFRO4NYGH42U}

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	2026-05-26T02:04:46.492924Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d8d17253e6882a4d9658bb8dc18fcd522293031041a8f8f8ed4b1298b57a0a1

Aliases

arxiv: 2605.25613 · arxiv_version: 2605.25613v1 · doi: 10.48550/arxiv.2605.25613 · pith_short_12: JWGROJJ6NCBK · pith_short_16: JWGROJJ6NCBKJWLF · pith_short_8: JWGROJJ6

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/JWGROJJ6NCBKJWLFRO4NYGH42U \
  | 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: 4d8d17253e6882a4d9658bb8dc18fcd522293031041a8f8f8ed4b1298b57a0a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e4e81b02b09af66f4e00ebfab9fecc306523f4fd70e5a39ab45577669ebf178",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-05-25T09:11:34Z",
    "title_canon_sha256": "425fe52b4d0c52f6e69226406179a9ed6b56a1fb2d7fad67f7ea857787498247"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.25613",
    "kind": "arxiv",
    "version": 1
  }
}