Pith Number

pith:WODJNRPB

pith:2019:WODJNRPBMABUZGHZHBJFGDYOJ2

not attested not anchored not stored refs pending

Sparse Representation Classification via Screening for Graphs

Carey Priebe, Cencheng Shen, Li Chen, Yuexiao Dong

arxiv:1906.01601 v1 · 2019-06-04 · 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{WODJNRPBMABUZGHZHBJFGDYOJ2}

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	2026-05-17T23:44:15.999734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b38696c5e160034c98f93852530f0e4eb5f6881be95ef054d650d9ced2c417bb

Aliases

arxiv: 1906.01601 · arxiv_version: 1906.01601v1 · doi: 10.48550/arxiv.1906.01601 · pith_short_12: WODJNRPBMABU · pith_short_16: WODJNRPBMABUZGHZ · pith_short_8: WODJNRPB

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/WODJNRPBMABUZGHZHBJFGDYOJ2 \
  | 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: b38696c5e160034c98f93852530f0e4eb5f6881be95ef054d650d9ced2c417bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1abd71ea48fea3ef20ee7e67ee5a5be3edc3d1e79886bfbba0bf7f1cddc4a12d",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-06-04T17:23:45Z",
    "title_canon_sha256": "af8f84a6e48d0e851f4bf46ed5f99457b478ad63a23e8c237b0e5166efce567d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.01601",
    "kind": "arxiv",
    "version": 1
  }
}