Pith Number

pith:6L5NTIDC

pith:2026:6L5NTIDCRM7KCPJXQNCWHZICIA

not attested not anchored not stored refs pending

Vector Search As Nearest Neighbor Matching: RAG-based Policy Learning in Causal Inference

Masahiro Kato, Taka Kato

arxiv:2607.18225 v1 · 2026-07-20 · econ.EM · cs.LG · math.ST · stat.ME · stat.ML · 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{6L5NTIDCRM7KCPJXQNCWHZICIA}

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	2026-07-21T02:22:28.740438Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2fad9a0628b3ea13d37834563e50240372f6aefe39a337d1d9d7e7956ab1913

Aliases

arxiv: 2607.18225 · arxiv_version: 2607.18225v1 · doi: 10.48550/arxiv.2607.18225 · pith_short_12: 6L5NTIDCRM7K · pith_short_16: 6L5NTIDCRM7KCPJX · pith_short_8: 6L5NTIDC

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/6L5NTIDCRM7KCPJXQNCWHZICIA \
  | 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: f2fad9a0628b3ea13d37834563e50240372f6aefe39a337d1d9d7e7956ab1913

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fff79d0aff3d3399920c9ecf180eb8cacda50ea00391e1a0bf7ac55dde46f067",
    "cross_cats_sorted": [
      "cs.LG",
      "math.ST",
      "stat.ME",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2026-07-20T17:57:20Z",
    "title_canon_sha256": "f41838ad9bbf994ae679639d9c5aa591aabd261e12759190033823f61fe2b05f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.18225",
    "kind": "arxiv",
    "version": 1
  }
}