Pith Number

pith:IWS3MCJZ

pith:2017:IWS3MCJZHE2I54RIZE4QPCYXOG

not attested not anchored not stored refs pending

Scalable Greedy Feature Selection via Weak Submodularity

Alexandros G. Dimakis, Ethan Elenberg, Joydeep Ghosh, Rajiv Khanna, Sahand Negahban

arxiv:1703.02723 v1 · 2017-03-08 · stat.ML · cs.IT · cs.LG · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IWS3MCJZHE2I54RIZE4QPCYXOG}

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	2026-05-18T00:49:05.775527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45a5b6093939348ef228c939078b177189ce4346da60b5ed10b8ac1646bb03fa

Aliases

arxiv: 1703.02723 · arxiv_version: 1703.02723v1 · doi: 10.48550/arxiv.1703.02723 · pith_short_12: IWS3MCJZHE2I · pith_short_16: IWS3MCJZHE2I54RI · pith_short_8: IWS3MCJZ

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/IWS3MCJZHE2I54RIZE4QPCYXOG \
  | 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: 45a5b6093939348ef228c939078b177189ce4346da60b5ed10b8ac1646bb03fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efa9af6ef3e3971d35d4f3beaf7fff82b45e9a5002d23f7c6b5f5fd13a03d7eb",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.LG",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2017-03-08T06:21:46Z",
    "title_canon_sha256": "17d55d5830530b72e45810f6e82ae9906a9e1d86824d4e8a004e05b515429f16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.02723",
    "kind": "arxiv",
    "version": 1
  }
}