Pith Number

pith:I4HUE6VY

pith:2019:I4HUE6VYA5I6W5CKU6WMNEH2Q2

not attested not anchored not stored refs pending

A Semismooth Newton Method for Support Vector Classification and Regression

Juan Yin, Qingna Li

arxiv:1903.00249 v1 · 2019-03-01 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I4HUE6VYA5I6W5CKU6WMNEH2Q2}

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	2026-05-17T23:52:20.357713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

470f427ab80751eb744aa7acc690fa869b6a182aae5071fac9c0ef53d2dae512

Aliases

arxiv: 1903.00249 · arxiv_version: 1903.00249v1 · doi: 10.48550/arxiv.1903.00249 · pith_short_12: I4HUE6VYA5I6 · pith_short_16: I4HUE6VYA5I6W5CK · pith_short_8: I4HUE6VY

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/I4HUE6VYA5I6W5CKU6WMNEH2Q2 \
  | 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: 470f427ab80751eb744aa7acc690fa869b6a182aae5071fac9c0ef53d2dae512

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6d098348f3febae1ac3e8ec88f7297414b3e681d2c23c2bc3aa87115042dac2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-03-01T11:33:10Z",
    "title_canon_sha256": "73576c5d25c6bcc941b02d35a751e9e3d2f2df70f868fdab0cae26f7df43b336"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.00249",
    "kind": "arxiv",
    "version": 1
  }
}