Pith Number

pith:GSFFRITQ

pith:2014:GSFFRITQST6OR4VDIBAIWVJELA

not attested not anchored not stored refs pending

piCholesky: Polynomial Interpolation of Multiple Cholesky Factors for Efficient Approximate Cross-Validation

Alex Gittens, Da Kuang, Raffay Hamid

arxiv:1404.0466 v2 · 2014-04-02 · cs.LG · 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{GSFFRITQST6OR4VDIBAIWVJELA}

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	2026-05-18T01:55:33.968565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

348a58a27094fce8f2a340408b5524583580a9f1cd7c5885d25f279ab033804d

Aliases

arxiv: 1404.0466 · arxiv_version: 1404.0466v2 · doi: 10.48550/arxiv.1404.0466 · pith_short_12: GSFFRITQST6O · pith_short_16: GSFFRITQST6OR4VD · pith_short_8: GSFFRITQ

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/GSFFRITQST6OR4VDIBAIWVJELA \
  | 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: 348a58a27094fce8f2a340408b5524583580a9f1cd7c5885d25f279ab033804d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64c6059fd997461342302aca76b636faaf54c6948daed9749fdc18ad0d0dfb2b",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-04-02T05:33:41Z",
    "title_canon_sha256": "107c5d94e1ca8e9cf30d4fcb6ec58ec8209ef728c1cf05638ab275a97f2cab0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.0466",
    "kind": "arxiv",
    "version": 2
  }
}