Pith Number

pith:LFGGXK7W

pith:2013:LFGGXK7WWF3I2DEOEXPBVOOXPD

not attested not anchored not stored refs pending

Systematic assessment of the expected length, variance and distribution of Longest Common Subsequences

Kang Ning, Kwok Pui Choi

arxiv:1306.4253 v1 · 2013-06-18 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LFGGXK7WWF3I2DEOEXPBVOOXPD}

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	2026-05-18T03:20:36.655123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

594c6babf6b1768d0c8e25de1ab9d778ea48ed3b19d232c1a52f18b972174d3d

Aliases

arxiv: 1306.4253 · arxiv_version: 1306.4253v1 · doi: 10.48550/arxiv.1306.4253 · pith_short_12: LFGGXK7WWF3I · pith_short_16: LFGGXK7WWF3I2DEO · pith_short_8: LFGGXK7W

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/LFGGXK7WWF3I2DEOEXPBVOOXPD \
  | 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: 594c6babf6b1768d0c8e25de1ab9d778ea48ed3b19d232c1a52f18b972174d3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc19a4997eac539b21a221edbaa7292cd1bcfb6e64c12393d99d52f8d73aab7a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2013-06-18T15:54:32Z",
    "title_canon_sha256": "1dea94badd70f900b22200b6db8aa6fcda6ee51087f0ae054ee627cde104122e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.4253",
    "kind": "arxiv",
    "version": 1
  }
}