Pith Number

pith:474HDUPC

pith:2019:474HDUPCKME7DI6COTGJZH37A5

not attested not anchored not stored refs pending

Minimum Ply Covering of Points with Disks and Squares

Ahmad Biniaz, Anna Lubiw, Therese Biedl

arxiv:1905.00790 v1 · 2019-05-02 · 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{474HDUPCKME7DI6COTGJZH37A5}

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	2026-05-17T23:47:09.292376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7f871d1e25309f1a3c274cc9c9f7f076bc4dbcd22c67191af73d88fd4af1b30

Aliases

arxiv: 1905.00790 · arxiv_version: 1905.00790v1 · doi: 10.48550/arxiv.1905.00790 · pith_short_12: 474HDUPCKME7 · pith_short_16: 474HDUPCKME7DI6C · pith_short_8: 474HDUPC

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/474HDUPCKME7DI6COTGJZH37A5 \
  | 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: e7f871d1e25309f1a3c274cc9c9f7f076bc4dbcd22c67191af73d88fd4af1b30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d2b6bccfcb54ef76da40a556e7e733d49c7b26700f4cfb4d5ccd27c473aaf54",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2019-05-02T14:55:28Z",
    "title_canon_sha256": "8f48b2987edde2ced582b7e7f34d19b72fedc484db88942a84938b90332256ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.00790",
    "kind": "arxiv",
    "version": 1
  }
}