Pith Number

pith:XE5ABIZP

pith:2017:XE5ABIZPGWH4UDV2V2X7GG4CV4

not attested not anchored not stored refs pending

Topic supervised non-negative matrix factorization

James D. Wilson, Kelsey MacMillan

arxiv:1706.05084 v2 · 2017-06-12 · cs.CL · cs.IR · cs.LG · 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{XE5ABIZPGWH4UDV2V2X7GG4CV4}

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	2026-05-18T00:41:06.801332Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b93a00a32f358fca0ebaaeaff31b82af2e29334c57891035739cc7dd97ee998b

Aliases

arxiv: 1706.05084 · arxiv_version: 1706.05084v2 · doi: 10.48550/arxiv.1706.05084 · pith_short_12: XE5ABIZPGWH4 · pith_short_16: XE5ABIZPGWH4UDV2 · pith_short_8: XE5ABIZP

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/XE5ABIZPGWH4UDV2V2X7GG4CV4 \
  | 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: b93a00a32f358fca0ebaaeaff31b82af2e29334c57891035739cc7dd97ee998b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d342dc02dc56563b41b36678fc111f3a0785229cc8b6bec7231d2f469ec2b0c",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-06-12T04:20:04Z",
    "title_canon_sha256": "cdd028a3e7d868c8cd9b91363a20d1dc8aa6fdb0464419e2551cf0c711019eaf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.05084",
    "kind": "arxiv",
    "version": 2
  }
}