Pith Number

pith:SYAWDRSV

pith:2015:SYAWDRSVE3T6AZGPRTVZUIJ743

not attested not anchored not stored refs pending

Learning Instrumental Variables with Non-Gaussianity Assumptions: Theoretical Limitations and Practical Algorithms

Ricardo Silva, Shohei Shimizu

arxiv:1511.02722 v1 · 2015-11-09 · 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{SYAWDRSVE3T6AZGPRTVZUIJ743}

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	2026-05-18T01:27:29.528391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

960161c65526e7e064cf8ceb9a213fe6cabc855fd159db4ad278646ed6970558

Aliases

arxiv: 1511.02722 · arxiv_version: 1511.02722v1 · doi: 10.48550/arxiv.1511.02722 · pith_short_12: SYAWDRSVE3T6 · pith_short_16: SYAWDRSVE3T6AZGP · pith_short_8: SYAWDRSV

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/SYAWDRSVE3T6AZGPRTVZUIJ743 \
  | 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: 960161c65526e7e064cf8ceb9a213fe6cabc855fd159db4ad278646ed6970558

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f517c6a5ac6033a3b53376b07f302be3e2337be78f72673b42126f2b998221b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-11-09T15:40:50Z",
    "title_canon_sha256": "0961ea613f4b788c4bbedc773e21dd889cf644d31f0ab190725c58541536c2c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.02722",
    "kind": "arxiv",
    "version": 1
  }
}