Pith Number

pith:FA7CBVHH

pith:2026:FA7CBVHHNYUKK4WAAQZ2OUKT6G

not attested not anchored not stored refs pending

The Endogenous Grid Method for Epstein-Zin Preferences

Alan Lujan

arxiv:2601.04438 v2 · 2026-01-07 · econ.GN · q-fin.EC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FA7CBVHHNYUKK4WAAQZ2OUKT6G}

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	2026-07-07T02:17:15.985996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

283e20d4e76e28a572c00433a75153f1ab557a6719707fb5e84ccad2f7928908

Aliases

arxiv: 2601.04438 · arxiv_version: 2601.04438v2 · doi: 10.48550/arxiv.2601.04438 · pith_short_12: FA7CBVHHNYUK · pith_short_16: FA7CBVHHNYUKK4WA · pith_short_8: FA7CBVHH

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/FA7CBVHHNYUKK4WAAQZ2OUKT6G \
  | 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: 283e20d4e76e28a572c00433a75153f1ab557a6719707fb5e84ccad2f7928908

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "590111d42b7652e83469111a01de26e84bcb169eb41693344c1ba4651ac52b7c",
    "cross_cats_sorted": [
      "q-fin.EC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "econ.GN",
    "submitted_at": "2026-01-07T22:52:17Z",
    "title_canon_sha256": "5c7279d4f1439b95b727fd6a4421005d5b2a2f8e8425c946dd2e522e5af9c1b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.04438",
    "kind": "arxiv",
    "version": 2
  }
}