Pith Number

pith:COVSR3J5

pith:2026:COVSR3J5ZDXAKQ2VBAVCO7ZOLU

not attested not anchored not stored refs pending

Algorithms with Polynomially-Improved Approximation Factors for the $2 \rightarrow q$ Norm, and Applications

Samuel B. Hopkins, Stefan Tiegel

arxiv:2605.25303 v1 · 2026-05-24 · cs.DS · cs.LG · math.ST · stat.ML · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{COVSR3J5ZDXAKQ2VBAVCO7ZOLU}

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	2026-05-26T02:04:28.065836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13ab28ed3dc8ee054355082a277f2e5d1f5ef8c05fb0caaaa653bab74ab7e5f8

Aliases

arxiv: 2605.25303 · arxiv_version: 2605.25303v1 · doi: 10.48550/arxiv.2605.25303 · pith_short_12: COVSR3J5ZDXA · pith_short_16: COVSR3J5ZDXAKQ2V · pith_short_8: COVSR3J5

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/COVSR3J5ZDXAKQ2VBAVCO7ZOLU \
  | 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: 13ab28ed3dc8ee054355082a277f2e5d1f5ef8c05fb0caaaa653bab74ab7e5f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d57ab14098cef47ee1770a5dc8bbde84962fc0277bd42bfb80d61ea183cf87c9",
    "cross_cats_sorted": [
      "cs.LG",
      "math.ST",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2026-05-24T23:56:06Z",
    "title_canon_sha256": "1a8e36ca4ddb48d415fad38a68e94645e92e23433442105747ee1586bc681f9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.25303",
    "kind": "arxiv",
    "version": 1
  }
}