Pith Number

pith:ABKQA33C

pith:2025:ABKQA33CR6GGD74OMFLM5HWYUC

not attested not anchored not stored refs pending

Improving on a Lottery: Efficient Estimation of Optimal Assignment Rules

Geert Ridder, Haitian Xie, Yue Fang

arxiv:2512.19230 v3 · 2025-12-22 · 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{ABKQA33CR6GGD74OMFLM5HWYUC}

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	2026-06-19T16:09:53.327596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0055006f628f8c61ff8e6156ce9ed8a0b7363320ce99831ea22b64d0dbb4dd24

Aliases

arxiv: 2512.19230 · arxiv_version: 2512.19230v3 · doi: 10.48550/arxiv.2512.19230 · pith_short_12: ABKQA33CR6GG · pith_short_16: ABKQA33CR6GGD74O · pith_short_8: ABKQA33C

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/ABKQA33CR6GGD74OMFLM5HWYUC \
  | 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: 0055006f628f8c61ff8e6156ce9ed8a0b7363320ce99831ea22b64d0dbb4dd24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfc2a211d0d79273c9d2f803dc1d8d9c096cda5eb0c15c6c677f469bb6124f87",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2025-12-22T10:10:35Z",
    "title_canon_sha256": "4dcee84c5443247b77d5fcbb9c7d8a3ba585d473307d5cfcde7635e570119585"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.19230",
    "kind": "arxiv",
    "version": 3
  }
}