Pith Number

pith:FJMP7FLM

pith:2022:FJMP7FLML2ZC5W23SLWTJXTKKT

not attested not anchored not stored refs pending

Population-Based Hierarchical Non-negative Matrix Factorization for Survey Data

Annie Ulichney, Chenxin Shen, Deanna Needell, Jocelyn T. Chi, Olivia McGough, Ruiyao Xu, William Swartworth, Xiaofu Ding, Xinyu Dong

arxiv:2209.04968 v1 · 2022-09-12 · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FJMP7FLML2ZC5W23SLWTJXTKKT}

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	2026-07-05T04:56:25.131566Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a58ff956c5eb22edb5b92ed34de6a54e5c256c5c5cbae802f7ef6b49b7e6ce2

Aliases

arxiv: 2209.04968 · arxiv_version: 2209.04968v1 · doi: 10.48550/arxiv.2209.04968 · pith_short_12: FJMP7FLML2ZC · pith_short_16: FJMP7FLML2ZC5W23 · pith_short_8: FJMP7FLM

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/FJMP7FLML2ZC5W23SLWTJXTKKT \
  | 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: 2a58ff956c5eb22edb5b92ed34de6a54e5c256c5c5cbae802f7ef6b49b7e6ce2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80dd3822a0ba65f2f6531a1a59e7d26a138c43ae38d01e68ef312db4685527c3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2022-09-12T00:44:19Z",
    "title_canon_sha256": "ea4a20046ecf0f51c531d80eeb036097602d1e82eff786eabf59cb75dc25340d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.04968",
    "kind": "arxiv",
    "version": 1
  }
}