Pith Number

pith:VLVJGDPF

pith:2025:VLVJGDPFJIHTYLE47Y6S4JF76U

not attested not anchored not stored refs pending

Orthogonality-Constrained Deep Instrumental Variable Model for Causal Effect Estimation

Shunxin Yao

arxiv:2506.02790 v1 · 2025-06-03 · econ.EM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VLVJGDPFJIHTYLE47Y6S4JF76U}

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	2026-07-05T11:15:09.222506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aaea930de54a0f3c2c9cfe3d2e24bff528a2e4f7ea402a68a4134cece79cfb56

Aliases

arxiv: 2506.02790 · arxiv_version: 2506.02790v1 · doi: 10.48550/arxiv.2506.02790 · pith_short_12: VLVJGDPFJIHT · pith_short_16: VLVJGDPFJIHTYLE4 · pith_short_8: VLVJGDPF

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/VLVJGDPFJIHTYLE47Y6S4JF76U \
  | 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: aaea930de54a0f3c2c9cfe3d2e24bff528a2e4f7ea402a68a4134cece79cfb56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b516a81dfb3988a135044d8b786c519ce19d3a49951d2a5828346e521823804b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2025-06-03T12:15:03Z",
    "title_canon_sha256": "47ff57ecba099b8fe02de964218e5fd4e996b5bd4a738b1467cb9dd1e221e9fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.02790",
    "kind": "arxiv",
    "version": 1
  }
}