Pith Number

pith:K3NVVYEH

pith:2012:K3NVVYEHHWO2HAJFSURLE23KZ5

not attested not anchored not stored refs pending

How long does it take to compute the eigenvalues of a random symmetric matrix?

Christian W. Pfrang, Govind Menon, Percy Deift

arxiv:1203.4635 v2 · 2012-03-21 · math.NA · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K3NVVYEHHWO2HAJFSURLE23KZ5}

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	2026-05-18T03:25:43.963836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56db5ae0873d9da381259522b26b6acf478795fb378a9fe4f7ed1d46e5446e74

Aliases

arxiv: 1203.4635 · arxiv_version: 1203.4635v2 · doi: 10.48550/arxiv.1203.4635 · pith_short_12: K3NVVYEHHWO2 · pith_short_16: K3NVVYEHHWO2HAJF · pith_short_8: K3NVVYEH

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/K3NVVYEHHWO2HAJFSURLE23KZ5 \
  | 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: 56db5ae0873d9da381259522b26b6acf478795fb378a9fe4f7ed1d46e5446e74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c835466b61262d8f2928e963f5f5b1a489446ce6580c15b06cbd7efe4dc2b3b6",
    "cross_cats_sorted": [
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-03-21T01:27:26Z",
    "title_canon_sha256": "8e7723190429501a2f07cfe971951fb7380a4548c4887c31ecc4b88278ad3e86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4635",
    "kind": "arxiv",
    "version": 2
  }
}