Pith Number

pith:FEWLF7TF

pith:2026:FEWLF7TF2UA4HAZYOSOKFXKJAV

not attested not anchored not stored refs pending

Compositional Synthetic Controls

Onil Boussim

arxiv:2607.16991 v1 · 2026-07-18 · econ.EM · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FEWLF7TF2UA4HAZYOSOKFXKJAV}

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	2026-07-21T01:21:09.629918Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

292cb2fe65d501c38338749ca2dd4905789c03a25c4f1d4f4d14933c9c347c06

Aliases

arxiv: 2607.16991 · arxiv_version: 2607.16991v1 · doi: 10.48550/arxiv.2607.16991 · pith_short_12: FEWLF7TF2UA4 · pith_short_16: FEWLF7TF2UA4HAZY · pith_short_8: FEWLF7TF

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/FEWLF7TF2UA4HAZYOSOKFXKJAV \
  | 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: 292cb2fe65d501c38338749ca2dd4905789c03a25c4f1d4f4d14933c9c347c06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13a30d96eadc3eae3a6b2d921233dcc0178ac06214e97413fdfadbad0f87248d",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2026-07-18T22:45:23Z",
    "title_canon_sha256": "f7be8a42e1f1c04a3bded4762af5702ed15e203bfe6475372d08b651af4aeff3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.16991",
    "kind": "arxiv",
    "version": 1
  }
}