Pith Number

pith:6YDXVOSE

pith:2026:6YDXVOSEJOWDABZXULRSSULQME

not attested not anchored not stored refs pending

Computing Lewis weights to high precision using local relative smoothness

Aaron Sidford, Chenyi Zhang, Sander Gribling

arxiv:2606.29186 v1 · 2026-06-28 · cs.DS · 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{6YDXVOSEJOWDABZXULRSSULQME}

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	2026-06-30T01:17:56.298086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6077aba444bac300737a2e3295170613279b2868bedb1cf21253c99e65f0b83

Aliases

arxiv: 2606.29186 · arxiv_version: 2606.29186v1 · doi: 10.48550/arxiv.2606.29186 · pith_short_12: 6YDXVOSEJOWD · pith_short_16: 6YDXVOSEJOWDABZX · pith_short_8: 6YDXVOSE

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/6YDXVOSEJOWDABZXULRSSULQME \
  | 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: f6077aba444bac300737a2e3295170613279b2868bedb1cf21253c99e65f0b83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1b7eac7dd6df003f4afefc0ef02af7bb980805910d67b24dbb3747f20718e31",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2026-06-28T04:15:55Z",
    "title_canon_sha256": "ab44bb10a24e791f961b697ccef8b108238ee31601632c83bc02be81be6ecf1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.29186",
    "kind": "arxiv",
    "version": 1
  }
}