Pith Number

pith:5IWCGUOA

pith:2023:5IWCGUOAOEZSKWINJ2HLQAAUVK

not attested not anchored not stored refs pending

Submatrices with the best-bounded inverses: revisiting the hypothesis

Yuri Nesterenko

arxiv:2303.07492 v3 · 2023-03-13 · 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{5IWCGUOAOEZSKWINJ2HLQAAUVK}

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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.

Cited by

1 paper in Pith

On the submatrices with the best-bounded inverses

Receipt and verification

First computed	2026-07-05T08:59:02.458751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea2c2351c0713325590d4e8eb80014aa80c201bec3b616b5c0fad54f09422ce3

Aliases

arxiv: 2303.07492 · arxiv_version: 2303.07492v3 · doi: 10.48550/arxiv.2303.07492 · pith_short_12: 5IWCGUOAOEZS · pith_short_16: 5IWCGUOAOEZSKWIN · pith_short_8: 5IWCGUOA

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/5IWCGUOAOEZSKWINJ2HLQAAUVK \
  | 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: ea2c2351c0713325590d4e8eb80014aa80c201bec3b616b5c0fad54f09422ce3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7937ff299bf95431dcf1a7e24ecb8fb86a9871ee84915373d78620c5fd6540f0",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2023-03-13T21:53:18Z",
    "title_canon_sha256": "6d90e61eff42ef3e16ddebdcbaba5e4b41fcf746f76a08908e56420b1997977d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.07492",
    "kind": "arxiv",
    "version": 3
  }
}