Pith Number

pith:CFQFGAC7

pith:2015:CFQFGAC7BT57PB5NKF2NHGKIDT

not attested not anchored not stored refs pending

A pairwise likelihood approach to simultaneous clustering and dimensional reduction of ordinal data

Monia Ranalli, Roberto Rocci

arxiv:1504.02913 v1 · 2015-04-11 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CFQFGAC7BT57PB5NKF2NHGKIDT}

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	2026-05-18T02:18:59.676823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

116053005f0cfbf787ad5174d399481cf39478505216572da88b55ff39cc7fda

Aliases

arxiv: 1504.02913 · arxiv_version: 1504.02913v1 · doi: 10.48550/arxiv.1504.02913 · pith_short_12: CFQFGAC7BT57 · pith_short_16: CFQFGAC7BT57PB5N · pith_short_8: CFQFGAC7

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/CFQFGAC7BT57PB5NKF2NHGKIDT \
  | 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: 116053005f0cfbf787ad5174d399481cf39478505216572da88b55ff39cc7fda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d21b816b303016a4cc06379e60327bfe0f1402f7157d164a396afe4a7cf87a49",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2015-04-11T20:21:47Z",
    "title_canon_sha256": "b4b626fa2b2e7e4af1c4d3192147ca4061d8be0666a00e260bc3b476a305b99b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02913",
    "kind": "arxiv",
    "version": 1
  }
}