Pith Number

pith:R6UNCJIA

pith:2015:R6UNCJIAME4F7K3DPCRE73LGLX

not attested not anchored not stored refs pending

Proximal gradient method for huberized support vector machine

Amit Chakraborty, Ioannis Akrotirianakis, Yangyang Xu

arxiv:1511.09159 v1 · 2015-11-30 · stat.ML · cs.LG · cs.NA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R6UNCJIAME4F7K3DPCRE73LGLX}

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	2026-05-18T01:25:40.925520Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fa8d1250061385fab6378a24fed665df8fb354173e0b97f8369226aa0542f43

Aliases

arxiv: 1511.09159 · arxiv_version: 1511.09159v1 · doi: 10.48550/arxiv.1511.09159 · pith_short_12: R6UNCJIAME4F · pith_short_16: R6UNCJIAME4F7K3D · pith_short_8: R6UNCJIA

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/R6UNCJIAME4F7K3DPCRE73LGLX \
  | 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: 8fa8d1250061385fab6378a24fed665df8fb354173e0b97f8369226aa0542f43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26936a4615090d77fb6b1cb91e470b15bd2937dd5d8da3d267071a8212712616",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-11-30T05:02:02Z",
    "title_canon_sha256": "d1de7117d1f6aad73bab7030aed5837091455e8956f47bdf41b713614df53058"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.09159",
    "kind": "arxiv",
    "version": 1
  }
}