Pith Number

pith:67X3AVV4

pith:2014:67X3AVV4T5M7BLEFMN7SFIEX5M

not attested not anchored not stored refs pending

A Simple $O(\log\log(\mathrm{rank}))$-Competitive Algorithm for the Matroid Secretary Problem

Moran Feldman, Ola Svensson, Rico Zenklusen

arxiv:1404.4473 v2 · 2014-04-17 · 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{67X3AVV4T5M7BLEFMN7SFIEX5M}

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	2026-05-18T02:48:18.979831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7efb056bc9f59f0ac85637f22a097eb1315ef1c77c390eea3e7cdadb011f1ab

Aliases

arxiv: 1404.4473 · arxiv_version: 1404.4473v2 · doi: 10.48550/arxiv.1404.4473 · pith_short_12: 67X3AVV4T5M7 · pith_short_16: 67X3AVV4T5M7BLEF · pith_short_8: 67X3AVV4

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/67X3AVV4T5M7BLEFMN7SFIEX5M \
  | 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: f7efb056bc9f59f0ac85637f22a097eb1315ef1c77c390eea3e7cdadb011f1ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2bd95034836b64decf3514c52b652a889e79bb9079da969a81b448b49aeba56",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-04-17T10:16:28Z",
    "title_canon_sha256": "da8b794d446481cbd50370c1b7c56f045a2c5013c0b155ff5a6f51a791e032b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.4473",
    "kind": "arxiv",
    "version": 2
  }
}