Pith Number

pith:2GKSBILA

pith:2026:2GKSBILA4PI77SJIPTMTCHR7PB

not attested not anchored not stored refs pending

The Projection Solution to the Incidental Parameter Problem

Adam M. Rosen, Andrew Chesher, Yuanqi Zhang

arxiv:2607.10043 v1 · 2026-07-10 · 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{2GKSBILA4PI77SJIPTMTCHR7PB}

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	2026-07-14T00:18:49.051966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d19520a160e3d1ffc9287cd9311e3f7844ba38db4839a8d6e4a7b4cbbd4769eb

Aliases

arxiv: 2607.10043 · arxiv_version: 2607.10043v1 · doi: 10.48550/arxiv.2607.10043 · pith_short_12: 2GKSBILA4PI7 · pith_short_16: 2GKSBILA4PI77SJI · pith_short_8: 2GKSBILA

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/2GKSBILA4PI77SJIPTMTCHR7PB \
  | 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: d19520a160e3d1ffc9287cd9311e3f7844ba38db4839a8d6e4a7b4cbbd4769eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64583186030804ea740948b601f7bdcf1f323146144417ece840cb8157b6cacb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2026-07-10T23:48:55Z",
    "title_canon_sha256": "d42c99971d10176ceff046173eb81cf29974e33d389c24ac5fd9106c1e1a3ad6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.10043",
    "kind": "arxiv",
    "version": 1
  }
}