Pith Number

pith:V45WBC2J

pith:2017:V45WBC2JCCTV5P7CH5DMTS5HUX

not attested not anchored not stored refs pending

Fast and simple algorithms for computing both $LCS_{k}$ and $LCS_{k+}$

Filip Paveti\'c, Goran \v{Z}u\v{z}i\'c, Gustav Matula, Ivan Katani\'c, Mile \v{S}iki\'c

arxiv:1705.07279 v3 · 2017-05-20 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V45WBC2JCCTV5P7CH5DMTS5HUX}

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	2026-05-18T00:15:05.548144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af3b608b4910a75ebfe23f46c9cba7a5c393a1dc94471ef14dcf557df3bfd816

Aliases

arxiv: 1705.07279 · arxiv_version: 1705.07279v3 · doi: 10.48550/arxiv.1705.07279 · pith_short_12: V45WBC2JCCTV · pith_short_16: V45WBC2JCCTV5P7C · pith_short_8: V45WBC2J

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/V45WBC2JCCTV5P7CH5DMTS5HUX \
  | 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: af3b608b4910a75ebfe23f46c9cba7a5c393a1dc94471ef14dcf557df3bfd816

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "970a3763f7440101a93f2d7efc6f3675c532da68919664bfd1aa8aa53a95ec6a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-05-20T08:32:12Z",
    "title_canon_sha256": "d64c8edb9effbb11ed82edbcaee53ce3ed215123f46914387f85401976697286"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.07279",
    "kind": "arxiv",
    "version": 3
  }
}