Pith Number

pith:4X7MNHX4

pith:2025:4X7MNHX4K255HGKE4ENRQ4DOW2

not attested not anchored not stored refs pending

UDuo: Universal Dual Optimization Framework for Online Matching

Bin Li, Diwei Liu, Jia Jia, Zehong Hu

arxiv:2505.22243 v1 · 2025-05-28 · cs.IR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4X7MNHX4K255HGKE4ENRQ4DOW2}

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	2026-07-05T11:11:11.854360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5fec69efc56bbd39944e11b18706eb6bd6582d85d1981eb582adb2365818bc8

Aliases

arxiv: 2505.22243 · arxiv_version: 2505.22243v1 · doi: 10.48550/arxiv.2505.22243 · pith_short_12: 4X7MNHX4K255 · pith_short_16: 4X7MNHX4K255HGKE · pith_short_8: 4X7MNHX4

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/4X7MNHX4K255HGKE4ENRQ4DOW2 \
  | 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: e5fec69efc56bbd39944e11b18706eb6bd6582d85d1981eb582adb2365818bc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b5d31b9e24474d20489481f7eb99a1feeb4bf998e82a1e72693bc605be135e5",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-05-28T11:25:50Z",
    "title_canon_sha256": "aa77d099fd8f58a271d5035f5971ed63d04d52a2f24509e0e1a23e0f2bdddb51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.22243",
    "kind": "arxiv",
    "version": 1
  }
}