Pith Number

pith:BERKPQLD

pith:2012:BERKPQLDQE2NKJZL2JHYXMUVJW

not attested not anchored not stored refs pending

Black-Box Complexity: Breaking the $O(n \log n)$ Barrier of LeadingOnes

Benjamin Doerr, Carola Winzen

arxiv:1210.6465 v1 · 2012-10-24 · cs.DS · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BERKPQLDQE2NKJZL2JHYXMUVJW}

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	2026-05-18T03:42:24.754411Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0922a7c1638134d5272bd24f8bb2954d81c80060db01ac749c795b99dc9c652a

Aliases

arxiv: 1210.6465 · arxiv_version: 1210.6465v1 · doi: 10.48550/arxiv.1210.6465 · pith_short_12: BERKPQLDQE2N · pith_short_16: BERKPQLDQE2NKJZL · pith_short_8: BERKPQLD

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/BERKPQLDQE2NKJZL2JHYXMUVJW \
  | 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: 0922a7c1638134d5272bd24f8bb2954d81c80060db01ac749c795b99dc9c652a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0d2d1fda9e08e56f58a50163db0b55b859afce5ec404771e50c5fb649cb41da",
    "cross_cats_sorted": [
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-10-24T09:17:49Z",
    "title_canon_sha256": "171528b061bfefc3e065d3a2030fa0e268b7d7aba2f228f314c20f79b2d45eda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.6465",
    "kind": "arxiv",
    "version": 1
  }
}