Pith Number

pith:U5NMPKBN

pith:2025:U5NMPKBNDCN7BVMSNXI6HEFOE7

not attested not anchored not stored refs pending

Who With Whom? Learning Optimal Matching Policies

Toru Kitagawa, Yagan Hazard

arxiv:2507.13567 v1 · 2025-07-17 · 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{U5NMPKBNDCN7BVMSNXI6HEFOE7}

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	2026-07-05T11:39:19.287869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a75ac7a82d189bf0d5926dd1e390ae27ea9bded6ca47438127f461966d5be4ea

Aliases

arxiv: 2507.13567 · arxiv_version: 2507.13567v1 · doi: 10.48550/arxiv.2507.13567 · pith_short_12: U5NMPKBNDCN7 · pith_short_16: U5NMPKBNDCN7BVMS · pith_short_8: U5NMPKBN

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/U5NMPKBNDCN7BVMSNXI6HEFOE7 \
  | 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: a75ac7a82d189bf0d5926dd1e390ae27ea9bded6ca47438127f461966d5be4ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1fde9d9922707f6634a2e1d256164ecc16847cf92d25f987f18c23ca12cc185",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2025-07-17T23:04:07Z",
    "title_canon_sha256": "b28ec9098cadb254b83557130fd80b11541a0bef66aa3e4fb459683a6ea50d0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.13567",
    "kind": "arxiv",
    "version": 1
  }
}