Pith Number

pith:TMOZDZ2G

pith:2011:TMOZDZ2GRZJSC5CLMUPV4XZNHJ

not attested not anchored not stored refs pending

The secretary problem on an unknown poset

Bryn Garrod, Robert Morris

arxiv:1107.1379 v2 · 2011-07-07 · math.CO · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TMOZDZ2GRZJSC5CLMUPV4XZNHJ}

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	2026-05-18T03:52:26.446847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b1d91e7468e5321744b651f5e5f2d3a43312292fd1235f3225d79e8b22198fe

Aliases

arxiv: 1107.1379 · arxiv_version: 1107.1379v2 · doi: 10.48550/arxiv.1107.1379 · pith_short_12: TMOZDZ2GRZJS · pith_short_16: TMOZDZ2GRZJSC5CL · pith_short_8: TMOZDZ2G

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/TMOZDZ2GRZJSC5CLMUPV4XZNHJ \
  | 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: 9b1d91e7468e5321744b651f5e5f2d3a43312292fd1235f3225d79e8b22198fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3db19667c2de70ba043013bc2cf3616bf417c4c0dccc7e712ffb6e5717a21726",
    "cross_cats_sorted": [
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-07-07T13:29:32Z",
    "title_canon_sha256": "28c7e4be9810f4abce5fe55a3dc211cf155596305c8791e93139bb93acc391b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1379",
    "kind": "arxiv",
    "version": 2
  }
}