Pith Number

pith:4VC26TMH

pith:2026:4VC26TMHVG5RUCUVB6ER333LAK

not attested not anchored not stored refs pending

A Linearly Convergent Projection-Free Algorithm for Smooth Convex Sets

Elad Hazan

arxiv:2608.04321 v1 · 2026-08-05 · 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{4VC26TMHVG5RUCUVB6ER333LAK}

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	2026-08-06T01:32:39.416964Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e545af4d87a9bb1a0a950f891def6b0297ab15baf3855cd5ea815d0d244b3aee

Aliases

arxiv: 2608.04321 · arxiv_version: 2608.04321v1 · doi: 10.48550/arxiv.2608.04321 · pith_short_12: 4VC26TMHVG5R · pith_short_16: 4VC26TMHVG5RUCUV · pith_short_8: 4VC26TMH

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/4VC26TMHVG5RUCUVB6ER333LAK \
  | 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: e545af4d87a9bb1a0a950f891def6b0297ab15baf3855cd5ea815d0d244b3aee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26a1a350f3ad6413b627e10082de26927b9bb69f69e84fb28832733747a140bb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2026-08-05T01:04:00Z",
    "title_canon_sha256": "6e72fdb77d8cb93b2e347877f31894182fd7e80c21ab4430888188233720a293"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.04321",
    "kind": "arxiv",
    "version": 1
  }
}