Pith Number

pith:CUE6UQRZ

pith:2026:CUE6UQRZIU3J2TMH7MXGSRUAIN

not attested not anchored not stored refs pending

Perturbative methods for non-parametric instrumental variable

Arthur Gretton, Wei Bu

arxiv:2606.00322 v1 · 2026-05-29 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CUE6UQRZIU3J2TMH7MXGSRUAIN}

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	2026-06-02T01:03:51.623548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1509ea423945369d4d87fb2e694680434f7013e5109e5752acecfd66efe56199

Aliases

arxiv: 2606.00322 · arxiv_version: 2606.00322v1 · doi: 10.48550/arxiv.2606.00322 · pith_short_12: CUE6UQRZIU3J · pith_short_16: CUE6UQRZIU3J2TMH · pith_short_8: CUE6UQRZ

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/CUE6UQRZIU3J2TMH7MXGSRUAIN \
  | 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: 1509ea423945369d4d87fb2e694680434f7013e5109e5752acecfd66efe56199

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "635a69dba4a370833f6b16bd933c9d0d672ba7bad152ddbce7e92bf69f28e70e",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-29T19:56:26Z",
    "title_canon_sha256": "358baa60d3018be3fb2fa62c9a288294684ceacbc81f5425043ee82eb1819019"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.00322",
    "kind": "arxiv",
    "version": 1
  }
}