Pith Number

pith:HX4AWQBY

pith:2026:HX4AWQBYYEMWKSWKNMFMG5NHSL

not attested not anchored not stored refs pending

TIAR: Trajectory-Informed Advantage Reweighting for LLM Abstention Learning

Muyu Pan, Nan Zhang, Philip Shin, Rui Zhang, Shu Zhao, Varun Parekh, Vijaykrishnan Narayanan

arxiv:2605.25850 v1 · 2026-05-25 · cs.CL · cs.AI · 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{HX4AWQBYYEMWKSWKNMFMG5NHSL}

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	2026-05-26T02:05:15.227032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3df80b4038c119654aca6b0ac375a792ee2e382de1be1629067926a60a76caac

Aliases

arxiv: 2605.25850 · arxiv_version: 2605.25850v1 · doi: 10.48550/arxiv.2605.25850 · pith_short_12: HX4AWQBYYEMW · pith_short_16: HX4AWQBYYEMWKSWK · pith_short_8: HX4AWQBY

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/HX4AWQBYYEMWKSWKNMFMG5NHSL \
  | 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: 3df80b4038c119654aca6b0ac375a792ee2e382de1be1629067926a60a76caac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d76e7e8c7a0812841ef516fe52ef8c312a570dbfc63a74fb88c723f5c8ae12a",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-25T13:42:37Z",
    "title_canon_sha256": "0a80eed5893be77620d459fcd67fac1c0d59fd868de592f7cf375bc4384e0caf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.25850",
    "kind": "arxiv",
    "version": 1
  }
}