Pith Number

pith:LZX2FD7B

pith:2026:LZX2FD7BPEMI6NCJIN5HPT5HH4

not attested not anchored not stored refs pending

Predicting Performance of Symbolic and Prompt Programs with Examples

Chengqi Zheng, Kevin Ellis, Keya Hu, Shuzhi Liu, Tao Wu, Yewen Pu

arxiv:2605.21515 v1 · 2026-05-15 · cs.LG · 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{LZX2FD7BPEMI6NCJIN5HPT5HH4}

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	2026-05-22T00:02:27.407677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e6fa28fe179188f3449437a77cfa73f163ef77b1151eaf3e479e03d27695844

Aliases

arxiv: 2605.21515 · arxiv_version: 2605.21515v1 · doi: 10.48550/arxiv.2605.21515 · pith_short_12: LZX2FD7BPEMI · pith_short_16: LZX2FD7BPEMI6NCJ · pith_short_8: LZX2FD7B

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/LZX2FD7BPEMI6NCJIN5HPT5HH4 \
  | 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: 5e6fa28fe179188f3449437a77cfa73f163ef77b1151eaf3e479e03d27695844

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca2ccfe656981d54a933bea019c6c8778c43fb2182f6694ae5170eb1d180e580",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-15T10:58:01Z",
    "title_canon_sha256": "b77242462f75f1601aaf2df95c85770b14ad3f75634907c2fb9e1d4496bdef49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.21515",
    "kind": "arxiv",
    "version": 1
  }
}