Pith Number

pith:ULOV2HQU

pith:2015:ULOV2HQUHPWLHNOSFXZCHMEXFJ

not attested not anchored not stored refs pending

Spectral Sparsification and Regret Minimization Beyond Matrix Multiplicative Updates

Lorenzo Orecchia, Zeyuan Allen-Zhu, Zhenyu Liao

arxiv:1506.04838 v1 · 2015-06-16 · cs.LG · cs.DS · math.OC · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ULOV2HQUHPWLHNOSFXZCHMEXFJ}

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	2026-05-18T01:48:05.783363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2dd5d1e143becb3b5d22df223b0972a7450b9641f4e6cbfad936198b04c899c

Aliases

arxiv: 1506.04838 · arxiv_version: 1506.04838v1 · doi: 10.48550/arxiv.1506.04838 · pith_short_12: ULOV2HQUHPWL · pith_short_16: ULOV2HQUHPWLHNOS · pith_short_8: ULOV2HQU

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/ULOV2HQUHPWLHNOSFXZCHMEXFJ \
  | 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: a2dd5d1e143becb3b5d22df223b0972a7450b9641f4e6cbfad936198b04c899c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c5a45ca9b65016bd0624e821a0977aa0ffdf4f35407f36f6f79ff73f765cec1",
    "cross_cats_sorted": [
      "cs.DS",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-06-16T05:31:57Z",
    "title_canon_sha256": "85a2983f302b4fa0d6dfc6184896a244d9782734c5c870327812281381b68fb4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.04838",
    "kind": "arxiv",
    "version": 1
  }
}