Pith Number

pith:UCLISZQU

pith:2022:UCLISZQU4BF6OKMLENR3KXANJO

not attested not anchored not stored refs pending

Guided Semi-Supervised Non-negative Matrix Factorization on Legal Documents

Benjamin Jarman, Christine Tseng, Deanna Needell, Joyce A. Chew, Longxiu Huang, Pengyu Li, Yaxuan Zheng

arxiv:2201.13324 v1 · 2022-01-31 · cs.LG · cs.IR · 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{UCLISZQU4BF6OKMLENR3KXANJO}

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	2026-07-05T03:52:51.011867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a096896614e04be7298b2363b55c0d4bae76446c330ec9ba8a80b3a8f64fb4c1

Aliases

arxiv: 2201.13324 · arxiv_version: 2201.13324v1 · doi: 10.48550/arxiv.2201.13324 · pith_short_12: UCLISZQU4BF6 · pith_short_16: UCLISZQU4BF6OKML · pith_short_8: UCLISZQU

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/UCLISZQU4BF6OKMLENR3KXANJO \
  | 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: a096896614e04be7298b2363b55c0d4bae76446c330ec9ba8a80b3a8f64fb4c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8aa5b0beeed6d3ec84ca15ea5ab9acaf211a61fe7fb922fbccfd3bb3f34dcf4",
    "cross_cats_sorted": [
      "cs.IR",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-01-31T16:21:51Z",
    "title_canon_sha256": "61ec394d406d254161320e779aae82a47952a41ee80d05ced6422ad3b6978ce1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.13324",
    "kind": "arxiv",
    "version": 1
  }
}