Pith Number

pith:HWD7FSZR

pith:2014:HWD7FSZR3B27XNASTAKYQCFEJV

not attested not anchored not stored refs pending

The secretary returns

Shai Vardi

arxiv:1404.0614 v2 · 2014-04-02 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HWD7FSZR3B27XNASTAKYQCFEJV}

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.

Cited by

1 paper in Pith

Some variations of the secretary problem

Receipt and verification

First computed	2026-05-18T02:48:17.123628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d87f2cb31d875fbb41298158808a44d64a4b81a264178706037c986947923d7

Aliases

arxiv: 1404.0614 · arxiv_version: 1404.0614v2 · doi: 10.48550/arxiv.1404.0614 · pith_short_12: HWD7FSZR3B27 · pith_short_16: HWD7FSZR3B27XNAS · pith_short_8: HWD7FSZR

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/HWD7FSZR3B27XNASTAKYQCFEJV \
  | 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: 3d87f2cb31d875fbb41298158808a44d64a4b81a264178706037c986947923d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc521985dcb7ce8a8b7bca8b70afc4b371a4cdf25f4b4f4a268801e99cd24650",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-04-02T17:00:12Z",
    "title_canon_sha256": "44df970f6edfef49d3a5f8841ae9b2e080b974fd6fb3a8d7cef68e008a3f4692"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.0614",
    "kind": "arxiv",
    "version": 2
  }
}