Pith Number

pith:ZIJ3UGIO

pith:2016:ZIJ3UGIOV2GW7YRO5PBEWGPZGQ

not attested not anchored not stored refs pending

Secretary Problem with quality-based payoff

Daniel Kohen, Juan Pablo Borthagaray, Mart\'in Mereb, Pablo Blanc

arxiv:1605.06478 v2 · 2016-05-20 · math.PR · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZIJ3UGIOV2GW7YRO5PBEWGPZGQ}

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	2026-05-18T00:35:10.776610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca13ba190eae8d6fe22eebc24b19f9341ea9985adec39090a906de607757f5b9

Aliases

arxiv: 1605.06478 · arxiv_version: 1605.06478v2 · doi: 10.48550/arxiv.1605.06478 · pith_short_12: ZIJ3UGIOV2GW · pith_short_16: ZIJ3UGIOV2GW7YRO · pith_short_8: ZIJ3UGIO

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/ZIJ3UGIOV2GW7YRO5PBEWGPZGQ \
  | 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: ca13ba190eae8d6fe22eebc24b19f9341ea9985adec39090a906de607757f5b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "213056e2219c10d6b8cae25eb3b3e4c5fa2b9560b41715b2adf64f05b1fe3bde",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2016-05-20T19:29:52Z",
    "title_canon_sha256": "f9d002095a7eaf97017ff98af4eefbbee979a2538b462088f1e31cd787e0dfef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.06478",
    "kind": "arxiv",
    "version": 2
  }
}