Pith Number

pith:4QGYHYRT

pith:2026:4QGYHYRTQ4EVGCOCFUWBTDBRRO

not attested not anchored not stored refs pending

Distributionally Robust Listwise Preference Optimization

Jian Qian, Jiayu Chen, Pangpang Liu, Vaneet Aggarwal, Xudong Wu

arxiv:2607.01715 v1 · 2026-07-02 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4QGYHYRTQ4EVGCOCFUWBTDBRRO}

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	2026-07-03T01:17:27.659840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e40d83e23387095309c22d2c198c318b966c01cc1092ae40bfbbea89885df039

Aliases

arxiv: 2607.01715 · arxiv_version: 2607.01715v1 · doi: 10.48550/arxiv.2607.01715 · pith_short_12: 4QGYHYRTQ4EV · pith_short_16: 4QGYHYRTQ4EVGCOC · pith_short_8: 4QGYHYRT

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/4QGYHYRTQ4EVGCOCFUWBTDBRRO \
  | 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: e40d83e23387095309c22d2c198c318b966c01cc1092ae40bfbbea89885df039

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "981bdf34878381b26ecd770612ffac426602d06f607bdae2fb6b62b439d3c411",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-07-02T05:12:03Z",
    "title_canon_sha256": "ac868cc1b1c940530b9517f768b5a05389b010a7b564daf1a90ac334730e0af3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.01715",
    "kind": "arxiv",
    "version": 1
  }
}