Pith Number

pith:XAZ7KIAK

pith:2026:XAZ7KIAKXRZF6EGWEL7V2PTHIC

not attested not anchored not stored refs pending

Prompt Codebooks: Discrete Compositional Optimization for Language Model Instruction Refinement

Brejesh Lall, Jyotirmoy Nath, Neeraj Kumar

arxiv:2605.28360 v1 · 2026-05-27 · 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{XAZ7KIAKXRZF6EGWEL7V2PTHIC}

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	2026-05-28T01:05:15.855205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b833f5200abc725f10d622ff5d3e67408f94cb29a9f03d0508cc79da64f0c7f2

Aliases

arxiv: 2605.28360 · arxiv_version: 2605.28360v1 · doi: 10.48550/arxiv.2605.28360 · pith_short_12: XAZ7KIAKXRZF · pith_short_16: XAZ7KIAKXRZF6EGW · pith_short_8: XAZ7KIAK

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/XAZ7KIAKXRZF6EGWEL7V2PTHIC \
  | 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: b833f5200abc725f10d622ff5d3e67408f94cb29a9f03d0508cc79da64f0c7f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6362930107172c3142f1de5f9ce3f8951d73ae6aa7d36145e2d7ed25d43dbfb6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-05-27T11:57:12Z",
    "title_canon_sha256": "ef1f88a817e0de32a9733254243441902214e7f6017b454258d00151ccf6154d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28360",
    "kind": "arxiv",
    "version": 1
  }
}