Pith Number

pith:AAZX24ZT

pith:2017:AAZX24ZTNVGH74TGFDM7UA6VB6

not attested not anchored not stored refs pending

Spectral Method and Regularized MLE Are Both Optimal for Top-$K$ Ranking

Cong Ma, Jianqing Fan, Kaizheng Wang, Yuxin Chen

arxiv:1707.09971 v3 · 2017-07-31 · stat.ML · cs.IT · cs.LG · math.IT · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AAZX24ZTNVGH74TGFDM7UA6VB6}

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	2026-05-17T23:43:33.480381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00337d73336d4c7ff26628d9fa03d50fb6cd1dc171cf27b184b45d8b16ceac2f

Aliases

arxiv: 1707.09971 · arxiv_version: 1707.09971v3 · doi: 10.48550/arxiv.1707.09971 · pith_short_12: AAZX24ZTNVGH · pith_short_16: AAZX24ZTNVGH74TG · pith_short_8: AAZX24ZT

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/AAZX24ZTNVGH74TGFDM7UA6VB6 \
  | 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: 00337d73336d4c7ff26628d9fa03d50fb6cd1dc171cf27b184b45d8b16ceac2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7dfb988660929bc52aceb2afede2c09b22a52ac871217cd9c1ac73e29a2328d",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.LG",
      "math.IT",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2017-07-31T17:33:15Z",
    "title_canon_sha256": "a79e19f77670d86cb4b1bf8b740e24ee18eea87da8ae3b1cedddbf401874492d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.09971",
    "kind": "arxiv",
    "version": 3
  }
}