Pith Number

pith:T3MSFSDK

pith:2018:T3MSFSDK4RQQ37Y4KXRIVGWIVQ

not attested not anchored not stored refs pending

The real polynomial eigenvalue problem is well conditioned on the average

Carlos Beltran, Khazhgali Kozhasov

arxiv:1802.07493 v1 · 2018-02-21 · math.NA · math.PR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T3MSFSDK4RQQ37Y4KXRIVGWIVQ}

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	2026-05-18T00:22:50.123827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ed922c86ae4610dff1c55e28a9ac8ac13d2d661ca27793f39b65b2c8072c64b

Aliases

arxiv: 1802.07493 · arxiv_version: 1802.07493v1 · doi: 10.48550/arxiv.1802.07493 · pith_short_12: T3MSFSDK4RQQ · pith_short_16: T3MSFSDK4RQQ37Y4 · pith_short_8: T3MSFSDK

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/T3MSFSDK4RQQ37Y4KXRIVGWIVQ \
  | 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: 9ed922c86ae4610dff1c55e28a9ac8ac13d2d661ca27793f39b65b2c8072c64b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75d7ba0953a6f7d229082732b5e6f809e5f6363d5d2ac3950b5868fcc5eaad91",
    "cross_cats_sorted": [
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-02-21T10:18:51Z",
    "title_canon_sha256": "8d0e143518d59b79677c5131d15973080a94f578f76c09732d8e60bfa44319d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.07493",
    "kind": "arxiv",
    "version": 1
  }
}