Pith Number

pith:QXWSBVWW

pith:2016:QXWSBVWWGAXN2TAHLTBDIVUAB3

not attested not anchored not stored refs pending

Efficient Inexact Proximal Gradient Algorithm for Nonconvex Problems

Fei Gao, James T. Kwok, Quanming Yao, Tie-Yan Liu, Wei Chen

arxiv:1612.09069 v3 · 2016-12-29 · 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{QXWSBVWWGAXN2TAHLTBDIVUAB3}

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	2026-05-18T00:43:55.984689Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85ed20d6d6302edd4c075cc23456800ec9ffb4ebddb7d3524549633711eec6ec

Aliases

arxiv: 1612.09069 · arxiv_version: 1612.09069v3 · doi: 10.48550/arxiv.1612.09069 · pith_short_12: QXWSBVWWGAXN · pith_short_16: QXWSBVWWGAXN2TAH · pith_short_8: QXWSBVWW

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/QXWSBVWWGAXN2TAHLTBDIVUAB3 \
  | 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: 85ed20d6d6302edd4c075cc23456800ec9ffb4ebddb7d3524549633711eec6ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b18a0709ab23a1c29636f0cdec3c5d686cf3316dc985ae8427a62bbfc5e6f24",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-12-29T08:27:33Z",
    "title_canon_sha256": "898e53a6970e4642df6ad6e2f6680639805d951c1181bbf6d0ac561a480704e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.09069",
    "kind": "arxiv",
    "version": 3
  }
}