Pith Number

pith:QKBP3ND2

pith:2025:QKBP3ND267TWLC35KJKAZ77OFA

not attested not anchored not stored refs pending

The Intrinsic Riemannian Proximal Gradient Method for Convex Optimization

Hajg Jasa, Max Pfeffer, Paula John, Ronny Bergmann

arxiv:2507.16055 v1 · 2025-07-21 · math.OC · cs.NA · math.DG · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QKBP3ND267TWLC35KJKAZ77OFA}

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	2026-07-05T11:41:02.067712Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8282fdb47af7e7658b7d52540cffee2814b9c4584211d36ed0989afc82b87928

Aliases

arxiv: 2507.16055 · arxiv_version: 2507.16055v1 · doi: 10.48550/arxiv.2507.16055 · pith_short_12: QKBP3ND267TW · pith_short_16: QKBP3ND267TWLC35 · pith_short_8: QKBP3ND2

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/QKBP3ND267TWLC35KJKAZ77OFA \
  | 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: 8282fdb47af7e7658b7d52540cffee2814b9c4584211d36ed0989afc82b87928

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93efb0e099a3a020ec716ed711ab18c6a4d29ed5fd70358037035f58755ed1e1",
    "cross_cats_sorted": [
      "cs.NA",
      "math.DG",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-07-21T20:46:03Z",
    "title_canon_sha256": "901bee1956fc4b43dbe4f31250e814f77784417264bf6780b1e5257450129fee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.16055",
    "kind": "arxiv",
    "version": 1
  }
}