Pith Number

pith:GLY7FY4T

pith:2017:GLY7FY4TOWY4THQ7E7O65ZRJM2

not attested not anchored not stored refs pending

A linear time algorithm to cover and hit a set of line segments optimally by two axis-parallel squares

Sanjib Sadhu, Sasanka Roy, Subhas C. Nandy, Suchismita Roy

arxiv:1709.04870 v1 · 2017-09-14 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GLY7FY4TOWY4THQ7E7O65ZRJM2}

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	2026-05-18T00:35:09.803651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32f1f2e39375b1c99e1f27ddeee629668b94dd8736231bb67398dd73696df264

Aliases

arxiv: 1709.04870 · arxiv_version: 1709.04870v1 · doi: 10.48550/arxiv.1709.04870 · pith_short_12: GLY7FY4TOWY4 · pith_short_16: GLY7FY4TOWY4THQ7 · pith_short_8: GLY7FY4T

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/GLY7FY4TOWY4THQ7E7O65ZRJM2 \
  | 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: 32f1f2e39375b1c99e1f27ddeee629668b94dd8736231bb67398dd73696df264

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b5c90e380d7e3c56d2acad65d3f280554640893cc5ab322e01d2b37db35a8f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2017-09-14T16:40:50Z",
    "title_canon_sha256": "5d5c6da50a90607aed69fbbe52881aeeb456324732a33f88eeefce588010da57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.04870",
    "kind": "arxiv",
    "version": 1
  }
}