Pith Number

pith:K2HAWCAY

pith:2023:K2HAWCAYEPOTP73XZXQ5WXB5IR

not attested not anchored not stored refs pending

Adaptive Softassign via Hadamard-Equipped Sinkhorn

Binrui Shen, Qiang Niu, Shengxin Zhu

arxiv:2309.13855 v4 · 2023-09-25 · math.OC · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K2HAWCAYEPOTP73XZXQ5WXB5IR}

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	2026-06-23T02:13:12.046138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

568e0b081823dd37ff77cde1db5c3d446f3aa45787f79f318da2e6c761dd2db0

Aliases

arxiv: 2309.13855 · arxiv_version: 2309.13855v4 · doi: 10.48550/arxiv.2309.13855 · pith_short_12: K2HAWCAYEPOT · pith_short_16: K2HAWCAYEPOTP73X · pith_short_8: K2HAWCAY

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/K2HAWCAYEPOTP73XZXQ5WXB5IR \
  | 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: 568e0b081823dd37ff77cde1db5c3d446f3aa45787f79f318da2e6c761dd2db0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c079e2e6ce32beabc3084364bc8ac17e59ab7e7b36f0c04e43345d2b69f6533e",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2023-09-25T03:47:32Z",
    "title_canon_sha256": "1ad361f152030a6b48fc25bec2affff7235e594695361088891f4b3f3ff63120"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.13855",
    "kind": "arxiv",
    "version": 4
  }
}