Pith Number

pith:6NTBP2XD

pith:2026:6NTBP2XD75Z7WGD5O4CWWWC3ZQ

not attested not anchored not stored refs pending

Embedding by Elicitation: Dynamic Representations for Bayesian Optimization of System Prompts

Benjamin Letham, Eytan Bakshy, Maximilian Balandat, Samuel Dooley, Zhiyuan Jerry Lin

arxiv:2605.19093 v1 · 2026-05-18 · 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{6NTBP2XD75Z7WGD5O4CWWWC3ZQ}

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	2026-05-20T01:05:26.906284Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f36617eae3ff73fb187d77056b585bcc38e78b88cc2c77c311b8e8912a55d72c

Aliases

arxiv: 2605.19093 · arxiv_version: 2605.19093v1 · doi: 10.48550/arxiv.2605.19093 · pith_short_12: 6NTBP2XD75Z7 · pith_short_16: 6NTBP2XD75Z7WGD5 · pith_short_8: 6NTBP2XD

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/6NTBP2XD75Z7WGD5O4CWWWC3ZQ \
  | 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: f36617eae3ff73fb187d77056b585bcc38e78b88cc2c77c311b8e8912a55d72c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00750303cf1d3cea25bdc2d933060742358cafc99e63550d544d09b377cfd467",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-05-18T20:28:17Z",
    "title_canon_sha256": "57d6dc1c982792779d508c4f45c0d22d5b42ab086c6709482df9d75d99895d4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19093",
    "kind": "arxiv",
    "version": 1
  }
}