Pith Number

pith:4RGQZZN7

pith:2016:4RGQZZN7SXLMVDB4HPDLGYWE72

not attested not anchored not stored refs pending

Proximal-gradient algorithms for fractional programming

Ern\"o Robert Csetnek, Radu Ioan Bot

arxiv:1601.08166 v1 · 2016-01-29 · 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{4RGQZZN7SXLMVDB4HPDLGYWE72}

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	2026-05-18T01:21:40.198623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e44d0ce5bf95d6ca8c3c3bc6b362c4fea63d6e12f6d7626fa53d0451106ed916

Aliases

arxiv: 1601.08166 · arxiv_version: 1601.08166v1 · doi: 10.48550/arxiv.1601.08166 · pith_short_12: 4RGQZZN7SXLM · pith_short_16: 4RGQZZN7SXLMVDB4 · pith_short_8: 4RGQZZN7

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/4RGQZZN7SXLMVDB4HPDLGYWE72 \
  | 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: e44d0ce5bf95d6ca8c3c3bc6b362c4fea63d6e12f6d7626fa53d0451106ed916

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7d9846022e9c0fd631bb731e887049043b0e49da1f2ed4be505b5ef768cb3fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-01-29T16:00:13Z",
    "title_canon_sha256": "7228c4fc3701a20d7330414226bb0faed650939ee477271c9104d86649ba93e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.08166",
    "kind": "arxiv",
    "version": 1
  }
}