Pith Number

pith:SZ2PIZDS

pith:2011:SZ2PIZDSNGJ5VJDPWOGN4GBC36

not attested not anchored not stored refs pending

On-Line Selection of Alternating Subsequences from a Random Sample

Alessandro Arlotto, J. Michael Steele, Lawrence A. Shepp, Robert W. Chen

arxiv:1105.1558 v2 · 2011-05-08 · math.PR · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SZ2PIZDSNGJ5VJDPWOGN4GBC36}

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	2026-05-18T04:15:36.657932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9674f464726993daa46fb38cde1822dfa54b33dbeafd177aaa85bc74c8c2e9f6

Aliases

arxiv: 1105.1558 · arxiv_version: 1105.1558v2 · doi: 10.48550/arxiv.1105.1558 · pith_short_12: SZ2PIZDSNGJ5 · pith_short_16: SZ2PIZDSNGJ5VJDP · pith_short_8: SZ2PIZDS

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/SZ2PIZDSNGJ5VJDPWOGN4GBC36 \
  | 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: 9674f464726993daa46fb38cde1822dfa54b33dbeafd177aaa85bc74c8c2e9f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d202a5d0f362460742adcd40464678c0590036abc103574c0be038dca54db17",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2011-05-08T22:05:43Z",
    "title_canon_sha256": "33147087344c881f595a877c71059b4cfa77715a43739d0ee46e5e704566d3f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.1558",
    "kind": "arxiv",
    "version": 2
  }
}