Pith Number

pith:X3FUCQH7

pith:2017:X3FUCQH7RQCHMCTAXEIPU7CK5L

not attested not anchored not stored refs pending

Determinantal Generalizations of Instrumental Variables

Bill Robinson, Elina Robeva, Emilie Dufresne, Jennifer Kenkel, Kaie Kubjas, Luca Weihs, Mathias Drton, Nhan Nguyen, Reginald L. McGee II

arxiv:1702.03884 v1 · 2017-02-13 · 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{X3FUCQH7RQCHMCTAXEIPU7CK5L}

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	2026-05-18T00:50:52.831413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

becb4140ff8c04760a60b910fa7c4aeaece0f3f2b7652bc041a0936b10575403

Aliases

arxiv: 1702.03884 · arxiv_version: 1702.03884v1 · doi: 10.48550/arxiv.1702.03884 · pith_short_12: X3FUCQH7RQCH · pith_short_16: X3FUCQH7RQCHMCTA · pith_short_8: X3FUCQH7

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/X3FUCQH7RQCHMCTAXEIPU7CK5L \
  | 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: becb4140ff8c04760a60b910fa7c4aeaece0f3f2b7652bc041a0936b10575403

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb055a962866c3ebefa8aae9d08e5557a079f24d29a465f1a892c3b39d4fcb8e",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2017-02-13T17:14:58Z",
    "title_canon_sha256": "cf26ffffdf3bce7cd20a7d65f4aeb2c14bca0b415c1b1a3746e5feae13f04c2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.03884",
    "kind": "arxiv",
    "version": 1
  }
}