Pith Number

pith:2KX2I4V2

pith:2025:2KX2I4V23KQILXUPLDBKMGPAYO

not attested not anchored not stored refs pending

Convergence rates of Newton's method for strongly self-concordant minimization

Nick Tsipinakis, Panos Parpas

arxiv:2507.23558 v1 · 2025-07-31 · 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{2KX2I4V23KQILXUPLDBKMGPAYO}

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	2026-07-05T11:46:26.845653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2afa472badaa085de8f58c2a619e0c38f466d8d696e8485e2069a7958956deb

Aliases

arxiv: 2507.23558 · arxiv_version: 2507.23558v1 · doi: 10.48550/arxiv.2507.23558 · pith_short_12: 2KX2I4V23KQI · pith_short_16: 2KX2I4V23KQILXUP · pith_short_8: 2KX2I4V2

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/2KX2I4V23KQILXUPLDBKMGPAYO \
  | 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: d2afa472badaa085de8f58c2a619e0c38f466d8d696e8485e2069a7958956deb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb77a2cb37f14f9ad10f4476ec4fc1bee6e1e58606fe18e511ebe4c322512c0b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-07-31T13:46:25Z",
    "title_canon_sha256": "cd112117c38bc681312ec3a138f173fadf75fadbed201f9da08926dff5a8372e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.23558",
    "kind": "arxiv",
    "version": 1
  }
}