Pith Number

pith:AB4ZBVWM

pith:2018:AB4ZBVWMMZKKTDE3XIBP7KTURP

not attested not anchored not stored refs pending

The Model Selection Curse

Kfir Eliaz, Ran Spiegler

arxiv:1810.02888 v1 · 2018-10-05 · econ.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AB4ZBVWMMZKKTDE3XIBP7KTURP}

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	2026-05-18T00:03:59.976654Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

007990d6cc6654a98c9bba02ffaa748bfddd40942602da1f201e35ddc1255c28

Aliases

arxiv: 1810.02888 · arxiv_version: 1810.02888v1 · doi: 10.48550/arxiv.1810.02888 · pith_short_12: AB4ZBVWMMZKK · pith_short_16: AB4ZBVWMMZKKTDE3 · pith_short_8: AB4ZBVWM

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/AB4ZBVWMMZKKTDE3XIBP7KTURP \
  | 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: 007990d6cc6654a98c9bba02ffaa748bfddd40942602da1f201e35ddc1255c28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30323675fa7d1c725181a571d82924c6aa7ec58f697c87d8672202250184b028",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.TH",
    "submitted_at": "2018-10-05T21:03:33Z",
    "title_canon_sha256": "20537c51993fa411e80ff3986886d01b6de2cff1f9490102efa126e41ede37bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.02888",
    "kind": "arxiv",
    "version": 1
  }
}