Pith Number

pith:2B72PMKD

pith:2014:2B72PMKD6VIC5WW4VVREER3Q4L

not attested not anchored not stored refs pending

Bounds on determinants of perturbed diagonal matrices

Judy-anne H. Osborn, Richard P. Brent, Warren D. Smith

arxiv:1401.7084 v7 · 2014-01-28 · math.NA · cs.NA · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2B72PMKD6VIC5WW4VVREER3Q4L}

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	2026-06-04T14:09:23.752188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d07fa7b143f5502edadcad62424770e2d5dfd8e15dffe44c6eea86369c26ad23

Aliases

arxiv: 1401.7084 · arxiv_version: 1401.7084v7 · doi: 10.48550/arxiv.1401.7084 · pith_short_12: 2B72PMKD6VIC · pith_short_16: 2B72PMKD6VIC5WW4 · pith_short_8: 2B72PMKD

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/2B72PMKD6VIC5WW4VVREER3Q4L \
  | 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: d07fa7b143f5502edadcad62424770e2d5dfd8e15dffe44c6eea86369c26ad23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d286de1b1f2259792c8e7fd592532d7078412001bb1e9337ad0f6b042649cfe1",
    "cross_cats_sorted": [
      "cs.NA",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-01-28T04:45:21Z",
    "title_canon_sha256": "601ac4191de4762275b4e3d2c467ee04242f32774c02303846232f611455a5f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.7084",
    "kind": "arxiv",
    "version": 7
  }
}