Pith Number

pith:2O2ZG4FA

pith:2026:2O2ZG4FA6ODRRY5INPUYRK6KXQ

not attested not anchored not stored refs pending

Statistical Foundations of LLM-based A/B Testing: A Surrogacy Framework for Human Causal Inference

Joel Persson, M{\aa}rten Schultzberg, Sebastian Ankargren

arxiv:2606.17165 v2 · 2026-06-15 · stat.ME · cs.AI · econ.EM · math.ST · stat.TH

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2O2ZG4FA6ODRRY5INPUYRK6KXQ}

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	2026-06-19T16:12:57.250958Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3b59370a0f38718e3a86be988abcabc3b24bae05d24ee60d2b807087ed1c699

Aliases

arxiv: 2606.17165 · arxiv_version: 2606.17165v2 · doi: 10.48550/arxiv.2606.17165 · pith_short_12: 2O2ZG4FA6ODR · pith_short_16: 2O2ZG4FA6ODRRY5I · pith_short_8: 2O2ZG4FA

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/2O2ZG4FA6ODRRY5INPUYRK6KXQ \
  | 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: d3b59370a0f38718e3a86be988abcabc3b24bae05d24ee60d2b807087ed1c699

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f13b854324551c9a6afe678c4a6c9cba929492ecf0a9fb74c8de7b95d2a1d30",
    "cross_cats_sorted": [
      "cs.AI",
      "econ.EM",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2026-06-15T18:06:20Z",
    "title_canon_sha256": "7b5d70fd28bbc07818df7c0d5b9a9e719603f9fdeb87587c62b0a0974ab28dc8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.17165",
    "kind": "arxiv",
    "version": 2
  }
}