Pith Number

pith:SMPT6L3Z

pith:2012:SMPT6L3ZTPHAU4KOPUZFGLLBLZ

not attested not anchored not stored refs pending

Optimal On-Line Selection of an Alternating Subsequence: A Central Limit Theorem

Alessandro Arlotto, J. Michael Steele

arxiv:1212.1379 v3 · 2012-12-06 · 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{SMPT6L3ZTPHAU4KOPUZFGLLBLZ}

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	2026-05-18T01:06:24.884548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

931f3f2f799bce0a714e7d32532d615e5f6817ef0f555fd1d1e6a91ebd97846b

Aliases

arxiv: 1212.1379 · arxiv_version: 1212.1379v3 · doi: 10.48550/arxiv.1212.1379 · pith_short_12: SMPT6L3ZTPHA · pith_short_16: SMPT6L3ZTPHAU4KO · pith_short_8: SMPT6L3Z

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/SMPT6L3ZTPHAU4KOPUZFGLLBLZ \
  | 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: 931f3f2f799bce0a714e7d32532d615e5f6817ef0f555fd1d1e6a91ebd97846b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e956d22924e91d938fc6b0bb9da425130b69bc14bf9b67b36b4e5989edd9c8a8",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2012-12-06T16:59:58Z",
    "title_canon_sha256": "b64d603d34155afc250874327afc59380994f7442344e28e9a0281678b1b75de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.1379",
    "kind": "arxiv",
    "version": 3
  }
}