Pith Number

pith:FCS6UIZ2

pith:2022:FCS6UIZ2LBU54RVQQOEXUT2NZB

not attested not anchored not stored refs pending

Efficient Convex Optimization Requires Superlinear Memory

Aaron Sidford, Annie Marsden, Gregory Valiant, Vatsal Sharan

arxiv:2203.15260 v2 · 2022-03-29 · cs.LG · cs.CC · cs.DS · math.OC · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FCS6UIZ2LBU54RVQQOEXUT2NZB}

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	2026-07-05T08:47:43.858824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28a5ea233a5869de46b083897a4f4dc8731116a5789d8708fbde13375df87407

Aliases

arxiv: 2203.15260 · arxiv_version: 2203.15260v2 · doi: 10.48550/arxiv.2203.15260 · pith_short_12: FCS6UIZ2LBU5 · pith_short_16: FCS6UIZ2LBU54RVQ · pith_short_8: FCS6UIZ2

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/FCS6UIZ2LBU54RVQQOEXUT2NZB \
  | 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: 28a5ea233a5869de46b083897a4f4dc8731116a5789d8708fbde13375df87407

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f85ddc3b8d76d93d390f3b200df83e97689aac7fc415a979276410a0b1d1919e",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DS",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-03-29T06:15:54Z",
    "title_canon_sha256": "3442c8540411f32bf68d2b08c8c5a255542af3e152134d6394d9ecadd307d6d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.15260",
    "kind": "arxiv",
    "version": 2
  }
}