Pith Number

pith:H77QECHO

pith:2015:H77QECHOEAY2GXZLIAUW4RUCKL

not attested not anchored not stored refs pending

Spectral MLE: Top-$K$ Rank Aggregation from Pairwise Comparisons

Changho Suh, Yuxin Chen

arxiv:1504.07218 v2 · 2015-04-27 · cs.LG · cs.DS · cs.IT · math.IT · math.ST · stat.ML · 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{H77QECHOEAY2GXZLIAUW4RUCKL}

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	2026-05-18T02:00:58.468029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fff0208ee2031a35f2b40296e468252ca7eab2bd70f95bfec8f0b0c5187c8f7

Aliases

arxiv: 1504.07218 · arxiv_version: 1504.07218v2 · doi: 10.48550/arxiv.1504.07218 · pith_short_12: H77QECHOEAY2 · pith_short_16: H77QECHOEAY2GXZL · pith_short_8: H77QECHO

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/H77QECHOEAY2GXZLIAUW4RUCKL \
  | 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: 3fff0208ee2031a35f2b40296e468252ca7eab2bd70f95bfec8f0b0c5187c8f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1535ce63701efe61a719f52182101e4126503437ae17ba900c539622496e0248",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.IT",
      "math.IT",
      "math.ST",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-04-27T19:30:01Z",
    "title_canon_sha256": "1825b377180504c7fa648ca2bbd9dd46ed5d3a76c9fbf23788632bf375b55096"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07218",
    "kind": "arxiv",
    "version": 2
  }
}