Pith Number

pith:UWFYZCPY

pith:2026:UWFYZCPYWIV37QXH6SVRVGJXT6

not attested not anchored not stored refs pending

Token-weighted Direct Preference Optimization with Attention

Chengyu Huang, Claire Cardie, Sheng-Yen Chou, Zhuohang Li

arxiv:2605.21883 v1 · 2026-05-21 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UWFYZCPYWIV37QXH6SVRVGJXT6}

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	2026-05-22T01:04:12.975190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a58b8c89f8b22bbfc2e7f4ab1a99379f96b013b5c84c0218abf14a0df70b0e10

Aliases

arxiv: 2605.21883 · arxiv_version: 2605.21883v1 · doi: 10.48550/arxiv.2605.21883 · pith_short_12: UWFYZCPYWIV3 · pith_short_16: UWFYZCPYWIV37QXH · pith_short_8: UWFYZCPY

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/UWFYZCPYWIV37QXH6SVRVGJXT6 \
  | 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: a58b8c89f8b22bbfc2e7f4ab1a99379f96b013b5c84c0218abf14a0df70b0e10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c18576ffca0c9b14870d93fa386422af1fd2be1d02a393d8382b34d4d69fc7ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-21T01:43:09Z",
    "title_canon_sha256": "f9a38e902b4444608d0f04ca40ffee80305fa03b830992c3bfd1f9c3b1e53517"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.21883",
    "kind": "arxiv",
    "version": 1
  }
}