Pith Number

pith:PCBY376R

pith:2015:PCBY376RQMYBFIQNLK5V6KJSW6

not attested not anchored not stored refs pending

Sequential Selection of a Monotone Subsequence from a Random Permutation

J. Michael Steele, Peichao Peng

arxiv:1509.04617 v1 · 2015-09-15 · 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{PCBY376RQMYBFIQNLK5V6KJSW6}

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	2026-05-18T01:32:58.394501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78838dffd1833012a20d5abb5f2932b7a76521293dd957269fcf0125b11ee762

Aliases

arxiv: 1509.04617 · arxiv_version: 1509.04617v1 · doi: 10.48550/arxiv.1509.04617 · pith_short_12: PCBY376RQMYB · pith_short_16: PCBY376RQMYBFIQN · pith_short_8: PCBY376R

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/PCBY376RQMYBFIQNLK5V6KJSW6 \
  | 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: 78838dffd1833012a20d5abb5f2932b7a76521293dd957269fcf0125b11ee762

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79c891c08a3301f18f631709ed3c0b46fdb0943b1983c212aa3b077050a31e98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2015-09-15T16:04:15Z",
    "title_canon_sha256": "dd4f78950436f30b100c111d43875b661984221fc7f2dc314ad226d00167390e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.04617",
    "kind": "arxiv",
    "version": 1
  }
}