Pith Number

pith:C4QV7HAV

pith:2022:C4QV7HAVHVXHV4LRBBPZMAY2ON

not attested not anchored not stored refs pending

(Re)packing Equal Disks into Rectangle

Fedor V. Fomin, Meirav Zehavi, Petr A. Golovach, Saket Saurabh, Tanmay Inamdar

arxiv:2211.09603 v1 · 2022-11-17 · cs.CG · 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{C4QV7HAVHVXHV4LRBBPZMAY2ON}

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	2026-07-05T05:17:04.047075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17215f9c153d6e7af171085f96031a7378179e425acfd9a7a7d67f9cbe01f150

Aliases

arxiv: 2211.09603 · arxiv_version: 2211.09603v1 · doi: 10.48550/arxiv.2211.09603 · pith_short_12: C4QV7HAVHVXH · pith_short_16: C4QV7HAVHVXHV4LR · pith_short_8: C4QV7HAV

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/C4QV7HAVHVXHV4LRBBPZMAY2ON \
  | 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: 17215f9c153d6e7af171085f96031a7378179e425acfd9a7a7d67f9cbe01f150

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33b85344b85e9ba70a8bdd9ffd9016eb9185ffa31e08b0d84590585b26e90da8",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2022-11-17T15:48:12Z",
    "title_canon_sha256": "da7a3deb582fd99e4d0142431e547c5d1ae5f7be0f86ef1fc228782f8d4a1c61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.09603",
    "kind": "arxiv",
    "version": 1
  }
}