Pith Number

pith:5YTS4QAY

pith:2015:5YTS4QAYHRFDQXRHXQVINY7L7X

not attested not anchored not stored refs pending

Space-Efficient Plane-Sweep Algorithms

Amr Elmasry, Frank Kammer

arxiv:1507.01767 v2 · 2015-07-07 · 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{5YTS4QAYHRFDQXRHXQVINY7L7X}

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	2026-05-18T01:16:29.699190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee272e40183c4a385e27bc2a86e3ebfdcae248406a7ced3f98cd660a6f94937e

Aliases

arxiv: 1507.01767 · arxiv_version: 1507.01767v2 · doi: 10.48550/arxiv.1507.01767 · pith_short_12: 5YTS4QAYHRFD · pith_short_16: 5YTS4QAYHRFDQXRH · pith_short_8: 5YTS4QAY

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/5YTS4QAYHRFDQXRHXQVINY7L7X \
  | 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: ee272e40183c4a385e27bc2a86e3ebfdcae248406a7ced3f98cd660a6f94937e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0ae342ce8148ae6bb79df33127b52440ca10f4bd51494d231921634ebafec4a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-07-07T11:53:49Z",
    "title_canon_sha256": "0cdff6d633a5e1b58cefde9ad5441ef7b4df9c69ea5526f459fec48d0ea47f35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.01767",
    "kind": "arxiv",
    "version": 2
  }
}