Pith Number

pith:UUGP5UEU

pith:2026:UUGP5UEUJEGD67UCDATT46VMI5

not attested not anchored not stored refs pending

iPOE: Interpretable Prompt Optimization via Explanations

Jiahui Li, Roman Klinger, Sean Papay

arxiv:2605.18113 v1 · 2026-05-18 · 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{UUGP5UEUJEGD67UCDATT46VMI5}

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	2026-05-20T00:05:16.657262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a50cfed094490c3f7e8218273e7aac476323d6718e7caea072e67389b2016c8f

Aliases

arxiv: 2605.18113 · arxiv_version: 2605.18113v1 · doi: 10.48550/arxiv.2605.18113 · pith_short_12: UUGP5UEUJEGD · pith_short_16: UUGP5UEUJEGD67UC · pith_short_8: UUGP5UEU

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/UUGP5UEUJEGD67UCDATT46VMI5 \
  | 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: a50cfed094490c3f7e8218273e7aac476323d6718e7caea072e67389b2016c8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48c4043f4e6c53270282626c09431aff2d1617fcf825387be904b603ade32f76",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-18T09:21:04Z",
    "title_canon_sha256": "113068daae4468aa7fb86d26984c903c2f5ceae4794d2a05cc7e56ce2fb405e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.18113",
    "kind": "arxiv",
    "version": 1
  }
}