Pith Number

pith:EBA2K77V

pith:2026:EBA2K77VH3XLKVF6IHN4IKIVXE

not attested not anchored not stored refs pending

A $\operatorname{prox}$-Based Semi-Smooth Newton Method for Convex Variational Problems

Alex Kaltenbach, S\"oren Bartels

arxiv:2606.25948 v1 · 2026-06-24 · 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{EBA2K77VH3XLKVF6IHN4IKIVXE}

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	2026-06-25T01:18:44.050917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2041a57ff53eeeb554be41dbc42915b906b3d80d0feb6c05c9231a7fac1bfb7c

Aliases

arxiv: 2606.25948 · arxiv_version: 2606.25948v1 · doi: 10.48550/arxiv.2606.25948 · pith_short_12: EBA2K77VH3XL · pith_short_16: EBA2K77VH3XLKVF6 · pith_short_8: EBA2K77V

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/EBA2K77VH3XLKVF6IHN4IKIVXE \
  | 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: 2041a57ff53eeeb554be41dbc42915b906b3d80d0feb6c05c9231a7fac1bfb7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02791e4b03c6e1b811215d2d01b65ea0339869aedd500419f341e0c786dfaac0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2026-06-24T15:23:54Z",
    "title_canon_sha256": "58748a8f86472b5f4889712c90f869077fa244fe3688dd4f8bfe7b0f7f49074b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.25948",
    "kind": "arxiv",
    "version": 1
  }
}