Pith Number

pith:KGQULWCP

pith:2013:KGQULWCPHJCU7PYDTQUNAVNJN6

not attested not anchored not stored refs pending

On Packing Almost Half of a Square with Anchored Rectangles: A Constructive Approach

Arijit Bishnu, Aritra Banik, Bhargab B. Bhattacharya, Sandip Banerjee, Soumyottam Chatterjee

arxiv:1401.0108 v4 · 2013-12-31 · 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{KGQULWCPHJCU7PYDTQUNAVNJN6}

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	2026-05-18T02:53:07.538170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51a145d84f3a454fbf039c28d055a96fb8ae46bc2f39fad2b9f982829d7cd87e

Aliases

arxiv: 1401.0108 · arxiv_version: 1401.0108v4 · doi: 10.48550/arxiv.1401.0108 · pith_short_12: KGQULWCPHJCU · pith_short_16: KGQULWCPHJCU7PYD · pith_short_8: KGQULWCP

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/KGQULWCPHJCU7PYDTQUNAVNJN6 \
  | 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: 51a145d84f3a454fbf039c28d055a96fb8ae46bc2f39fad2b9f982829d7cd87e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83d73b25d81d534c22f2795c4cd6aa4b18fd772e605b4e74d7089113b6584275",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2013-12-31T07:54:16Z",
    "title_canon_sha256": "9820d89f30b4b14b6f4f8aa99b41a270b89ad1990aa751d552718a95c7c3a835"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0108",
    "kind": "arxiv",
    "version": 4
  }
}