Pith Number

pith:IUVFIORG

pith:2016:IUVFIORG4VUIBE3PNFRHPPWOLZ

not attested not anchored not stored refs pending

Fast algorithms for large scale generalized distance weighted discrimination

Defeng Sun, J.S. Marron, Kim-Chuan Toh, Xin Yee Lam

arxiv:1604.05473 v4 · 2016-04-19 · 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{IUVFIORG4VUIBE3PNFRHPPWOLZ}

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	2026-05-18T00:37:54.909936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

452a543a26e56880936f696277bece5e74ddbc273d9eb3f22e829975c003d3da

Aliases

arxiv: 1604.05473 · arxiv_version: 1604.05473v4 · doi: 10.48550/arxiv.1604.05473 · pith_short_12: IUVFIORG4VUI · pith_short_16: IUVFIORG4VUIBE3P · pith_short_8: IUVFIORG

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/IUVFIORG4VUIBE3PNFRHPPWOLZ \
  | 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: 452a543a26e56880936f696277bece5e74ddbc273d9eb3f22e829975c003d3da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94f0164a9c72deecae0166c6400171aa4b8c05984f7bb5da9b5d51c8a601d4c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-04-19T08:51:40Z",
    "title_canon_sha256": "94a7f7c308edc46ca128de542b360b71b9ac188a4dacf8179c22ef87b65422bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.05473",
    "kind": "arxiv",
    "version": 4
  }
}