Pith Number

pith:ZWZEYFCL

pith:2019:ZWZEYFCLAOXPFH5KPWRFNZ3F5C

not attested not anchored not stored refs pending

Parameterized Approximation Schemes for Independent Set of Rectangles and Geometric Knapsack

Andreas Wiese, Fabrizio Grandoni, Stefan Kratsch

arxiv:1906.10982 v1 · 2019-06-26 · 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{ZWZEYFCLAOXPFH5KPWRFNZ3F5C}

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.

Cited by

1 paper in Pith

Near-Tight Approximation Algorithms for Bottleneck Multiple Knapsack Problems

Receipt and verification

First computed	2026-05-17T23:42:10.365086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdb24c144b03aef29faa7da256e765e88ed663e472e9353d5315c10069a4fe08

Aliases

arxiv: 1906.10982 · arxiv_version: 1906.10982v1 · doi: 10.48550/arxiv.1906.10982 · pith_short_12: ZWZEYFCLAOXP · pith_short_16: ZWZEYFCLAOXPFH5K · pith_short_8: ZWZEYFCL

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/ZWZEYFCLAOXPFH5KPWRFNZ3F5C \
  | 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: cdb24c144b03aef29faa7da256e765e88ed663e472e9353d5315c10069a4fe08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7ed5875a9506e3034cff240e8e1c5a9da39a08e45a5d4adf6a620a635dfdd36",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-06-26T11:33:22Z",
    "title_canon_sha256": "e4c547b069e9e61322f85dcf327adf1b73f2f7e7b0b0c08b24c8f81828e7c82a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.10982",
    "kind": "arxiv",
    "version": 1
  }
}