Pith Number

pith:I3A4MEAS

pith:2022:I3A4MEASA46DPQU5UYMK4JVHZG

not attested not anchored not stored refs pending

An interior proximal gradient method for nonconvex optimization

Alberto De Marchi, Andreas Themelis

arxiv:2208.00799 v2 · 2022-08-01 · 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{I3A4MEASA46DPQU5UYMK4JVHZG}

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.

Cited by

1 paper in Pith

Optimization over Sparse Support-Preserving Sets: Two-Step Projection with Global Optimality Guarantees

Receipt and verification

First computed	2026-07-05T08:41:57.926086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46c1c61012073c37c29da618ae26a7c98d7336f74872afc08c067f0fd39fc457

Aliases

arxiv: 2208.00799 · arxiv_version: 2208.00799v2 · doi: 10.48550/arxiv.2208.00799 · pith_short_12: I3A4MEASA46D · pith_short_16: I3A4MEASA46DPQU5 · pith_short_8: I3A4MEAS

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/I3A4MEASA46DPQU5UYMK4JVHZG \
  | 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: 46c1c61012073c37c29da618ae26a7c98d7336f74872afc08c067f0fd39fc457

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9064fae715ab87ee8fd60686d4777db47f8d9a26a690a4f5ebacba075c4153dc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2022-08-01T12:32:14Z",
    "title_canon_sha256": "2c0ec5a0b0acabae18a899df11da8f78008a309b6dbb98d98a368245f39e2a13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.00799",
    "kind": "arxiv",
    "version": 2
  }
}