Pith Number

pith:CPRKHPTX

pith:2015:CPRKHPTXXNHZVCDJPEIQ7OOUD5

not attested not anchored not stored refs pending

HAMSI: A Parallel Incremental Optimization Algorithm Using Quadratic Approximations for Solving Partially Separable Problems

A. Taylan Cemgil, \c{S}. \.Ilker Birbil, Figen \"Oztoprak, Hazal Koptagel, Kamer Kaya, M. Kaan \"Ozt\"urk, Nurdan Kuru, Umut \c{S}im\c{s}ekli

arxiv:1509.01698 v4 · 2015-09-05 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CPRKHPTXXNHZVCDJPEIQ7OOUD5}

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	2026-05-18T00:38:40.143391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13e2a3be77bb4f9a886979110fb9d41f7b3f579ec0e95fbde84425f2707642e7

Aliases

arxiv: 1509.01698 · arxiv_version: 1509.01698v4 · doi: 10.48550/arxiv.1509.01698 · pith_short_12: CPRKHPTXXNHZ · pith_short_16: CPRKHPTXXNHZVCDJ · pith_short_8: CPRKHPTX

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/CPRKHPTXXNHZVCDJPEIQ7OOUD5 \
  | 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: 13e2a3be77bb4f9a886979110fb9d41f7b3f579ec0e95fbde84425f2707642e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a97e7884d8bf6de8c3a3eb3c6111d9f6c1f1004c85d3c68f542b287110c1a21",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-09-05T12:48:01Z",
    "title_canon_sha256": "bab5fb3e86f67d7f94f3252a9474f773f2bee770b562e3083c64ddb7335bc9f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.01698",
    "kind": "arxiv",
    "version": 4
  }
}