Pith Number

pith:IVFA3PV6

pith:2026:IVFA3PV6WTROUFXI522XHSTJOQ

not attested not anchored not stored refs pending

Robust Signal Maximization in Spillover Experiments

Evan Munro, Kirill Borusyak, Peter Hull

arxiv:2607.18601 v1 · 2026-07-21 · 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{IVFA3PV6WTROUFXI522XHSTJOQ}

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	2026-07-22T00:22:56.155265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

454a0dbebeb4e2ea16e8eeb573ca69742ba43d17654ad798035cb47cfce3afdb

Aliases

arxiv: 2607.18601 · arxiv_version: 2607.18601v1 · doi: 10.48550/arxiv.2607.18601 · pith_short_12: IVFA3PV6WTRO · pith_short_16: IVFA3PV6WTROUFXI · pith_short_8: IVFA3PV6

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/IVFA3PV6WTROUFXI522XHSTJOQ \
  | 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: 454a0dbebeb4e2ea16e8eeb573ca69742ba43d17654ad798035cb47cfce3afdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04f1f782c8e7c7685349aacb2480bc1a41613ca443e71f1362168dbd2c51215b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2026-07-21T00:30:07Z",
    "title_canon_sha256": "add0edb6f8f1dfc9f17a0602155a1ebb5cff71d060f5bc43e279f331cfa147e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.18601",
    "kind": "arxiv",
    "version": 1
  }
}