Pith Number

pith:UMQ3YQLA

pith:2011:UMQ3YQLAZCPWUDD4OQU56UQPVN

not attested not anchored not stored refs pending

Improved Bound for the Nystrom's Method and its Application to Kernel Classification

Mehrdad Mahdavi, Rong Jin, Tianbao Yang, Yu-Feng Li, Zhi-Hua Zhou

arxiv:1111.2262 v4 · 2011-11-09 · 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{UMQ3YQLAZCPWUDD4OQU56UQPVN}

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	2026-05-18T01:32:08.712104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a321bc4160c89f6a0c7c7429df520fab6478b81e8ee5047da3f65e6014088471

Aliases

arxiv: 1111.2262 · arxiv_version: 1111.2262v4 · doi: 10.48550/arxiv.1111.2262 · pith_short_12: UMQ3YQLAZCPW · pith_short_16: UMQ3YQLAZCPWUDD4 · pith_short_8: UMQ3YQLA

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/UMQ3YQLAZCPWUDD4OQU56UQPVN \
  | 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: a321bc4160c89f6a0c7c7429df520fab6478b81e8ee5047da3f65e6014088471

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9785776d5fb6bb2e6b8c72ef12873cd276448ba1f0f19186a3b7df3ea3092ab5",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2011-11-09T16:34:55Z",
    "title_canon_sha256": "f8a153e008bae0878eba52ae7b27360d4ed99c09d056f8f4838c3cac0fac5e54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.2262",
    "kind": "arxiv",
    "version": 4
  }
}