Pith Number

pith:UXP5KMWB

pith:2018:UXP5KMWBVDEN2XJSFXTSKWE3ES

not attested not anchored not stored refs pending

Eigenvalue Analysis via Kernel Density Estimation

Ahmed Yehia, Mohamed Saleh

arxiv:1810.06276 v2 · 2018-10-15 · cs.NA · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UXP5KMWBVDEN2XJSFXTSKWE3ES}

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	2026-05-18T00:03:14.322591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5dfd532c1a8c8dd5d322de725589b249fd65cdab4924588ff32ea682223fb4a

Aliases

arxiv: 1810.06276 · arxiv_version: 1810.06276v2 · doi: 10.48550/arxiv.1810.06276 · pith_short_12: UXP5KMWBVDEN · pith_short_16: UXP5KMWBVDEN2XJS · pith_short_8: UXP5KMWB

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/UXP5KMWBVDEN2XJSFXTSKWE3ES \
  | 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: a5dfd532c1a8c8dd5d322de725589b249fd65cdab4924588ff32ea682223fb4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d1145934077a147aa526fd79443475594bd21a69d07224b22c6291ee5db64db",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2018-10-15T11:18:33Z",
    "title_canon_sha256": "74ec9b61ee435da4af2dfd1f13c2e59cf08178596de00400a514bd83a21b9382"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.06276",
    "kind": "arxiv",
    "version": 2
  }
}