Pith Number

pith:4GFBTH3P

pith:2026:4GFBTH3P4NIGFYEES4FHDGGB3A

not attested not anchored not stored refs pending

Learning When to Trust via Selective Context Preference Optimization

Junhao Liu, Lingdong Kong, Qing Wu, Wei Chow, Wei Gao, Xian Sun, Yingshuo Wang

arxiv:2608.06377 v1 · 2026-08-06 · 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{4GFBTH3P4NIGFYEES4FHDGGB3A}

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	2026-08-07T01:41:32.337671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e18a199f6fe35062e084970a7198c1d81cd2248ebdb89863b08366d4f9c89d59

Aliases

arxiv: 2608.06377 · arxiv_version: 2608.06377v1 · doi: 10.48550/arxiv.2608.06377 · pith_short_12: 4GFBTH3P4NIG · pith_short_16: 4GFBTH3P4NIGFYEE · pith_short_8: 4GFBTH3P

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/4GFBTH3P4NIGFYEES4FHDGGB3A \
  | 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: e18a199f6fe35062e084970a7198c1d81cd2248ebdb89863b08366d4f9c89d59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6be51f7eb4dd9c8ffd4555172962c0c3bc46adccdf3b5709b6acdfe9c4517a94",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-08-06T17:59:58Z",
    "title_canon_sha256": "40f82166e6b7b8a501d3d1cd7113a44022599f725c597284845d5e071861b2c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.06377",
    "kind": "arxiv",
    "version": 1
  }
}