Pith Number

pith:I2I6VAPA

pith:2025:I2I6VAPATJDA3QCFM7ZBXKHFGR

not attested not anchored not stored refs pending

Compositional difference-in-differences

Onil Boussim

arxiv:2510.11659 v4 · 2025-10-13 · 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{I2I6VAPATJDA3QCFM7ZBXKHFGR}

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	2026-07-21T01:20:38.045542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4691ea81e09a460dc04567f21ba8e5344cdc4e9ad5b83bce37096685cf7dbe97

Aliases

arxiv: 2510.11659 · arxiv_version: 2510.11659v4 · doi: 10.48550/arxiv.2510.11659 · pith_short_12: I2I6VAPATJDA · pith_short_16: I2I6VAPATJDA3QCF · pith_short_8: I2I6VAPA

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/I2I6VAPATJDA3QCFM7ZBXKHFGR \
  | 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: 4691ea81e09a460dc04567f21ba8e5344cdc4e9ad5b83bce37096685cf7dbe97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b382d8645f62fcf88510613e098fd8a985dbdb589f2b63c75c3441911c60880",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2025-10-13T17:34:43Z",
    "title_canon_sha256": "2316255f612b65e5c1df168ccb414190e3082b66a90e869d4f9fdac4e550089a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.11659",
    "kind": "arxiv",
    "version": 4
  }
}