Pith Number

pith:JK2ED74P

pith:2017:JK2ED74PVTIZ2HLSPVJ652M6N3

not attested not anchored not stored refs pending

Homotopy Parametric Simplex Method for Sparse Learning

Han Liu, Haotian Pang, Robert Vanderbei, Tuo Zhao

arxiv:1704.01079 v2 · 2017-04-04 · cs.LG · math.OC · 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{JK2ED74PVTIZ2HLSPVJ652M6N3}

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	2026-05-18T00:29:39.224292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ab441ff8facd19d1d727d53eee99e6ed3cc36e58859ac9f50784dc4d874f18b

Aliases

arxiv: 1704.01079 · arxiv_version: 1704.01079v2 · doi: 10.48550/arxiv.1704.01079 · pith_short_12: JK2ED74PVTIZ · pith_short_16: JK2ED74PVTIZ2HLS · pith_short_8: JK2ED74P

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/JK2ED74PVTIZ2HLSPVJ652M6N3 \
  | 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: 4ab441ff8facd19d1d727d53eee99e6ed3cc36e58859ac9f50784dc4d874f18b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c711d2b46332e6effc6ed18e2b957a24d66e601917ef4e4220e475b9ddfe3e77",
    "cross_cats_sorted": [
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2017-04-04T15:56:55Z",
    "title_canon_sha256": "f1e16f6ec4dded2f65828c9630ae7da8a19b63aed0274cb0db05c9d0c19efc6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.01079",
    "kind": "arxiv",
    "version": 2
  }
}