Pith Number

pith:EWS3ZDWA

pith:2026:EWS3ZDWABZCYFQYSLFSLLEYEAO

not attested not anchored not stored refs pending

Optimal Convex Optimization with Inexact Second-Order Oracles

Chengchang Liu, Jingzhao Zhang, John C.S. Lui, Lesi Chen, Luo Luo

arxiv:2607.24520 v1 · 2026-07-27 · 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{EWS3ZDWABZCYFQYSLFSLLEYEAO}

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	2026-07-28T02:24:07.872937Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25a5bc8ec00e4582c3125964b5930403a9b9aac86bc0aacc0a973a0734dc817c

Aliases

arxiv: 2607.24520 · arxiv_version: 2607.24520v1 · doi: 10.48550/arxiv.2607.24520 · pith_short_12: EWS3ZDWABZCY · pith_short_16: EWS3ZDWABZCYFQYS · pith_short_8: EWS3ZDWA

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/EWS3ZDWABZCYFQYSLFSLLEYEAO \
  | 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: 25a5bc8ec00e4582c3125964b5930403a9b9aac86bc0aacc0a973a0734dc817c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62adc426db856cff490f1d03e1ab50104ba1b9d845e7d6de228221fcf7e2cfb7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2026-07-27T15:01:13Z",
    "title_canon_sha256": "f28c8ecc511189487bd60f362ad6e6469753d2f4a19d92cf32fb4c9f6899c9ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.24520",
    "kind": "arxiv",
    "version": 1
  }
}