Pith Number

pith:573EO3XE

pith:2014:573EO3XENGIUM4ATURK2ECK75J

not attested not anchored not stored refs pending

Regularization of non-normal matrices by Gaussian noise

Elliot Paquette, Ofer Zeitouni, Ohad Feldheim

arxiv:1404.3491 v2 · 2014-04-14 · 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{573EO3XENGIUM4ATURK2ECK75J}

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	2026-05-18T02:53:52.857677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eff6476ee46991467013a455a2095fea40694bb031a4513dbad0f9e97f373eb6

Aliases

arxiv: 1404.3491 · arxiv_version: 1404.3491v2 · doi: 10.48550/arxiv.1404.3491 · pith_short_12: 573EO3XENGIU · pith_short_16: 573EO3XENGIUM4AT · pith_short_8: 573EO3XE

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/573EO3XENGIUM4ATURK2ECK75J \
  | 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: eff6476ee46991467013a455a2095fea40694bb031a4513dbad0f9e97f373eb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "749b6744e1b70e05c2640e257768fede6369e44a9d93e4b700a2c6b651bb1f61",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2014-04-14T08:32:19Z",
    "title_canon_sha256": "210ee972cb9586290a3dd7f1205b4b8fac8c04e4ef3d9fb0d7a1fc2fc0e2c29b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.3491",
    "kind": "arxiv",
    "version": 2
  }
}