Pith Number

pith:MZEPLAS7

pith:2014:MZEPLAS7L7GZLJ66BA432A6L2U

not attested not anchored not stored refs pending

Improved Online Square-into-Square Packing

Brian Brubach

arxiv:1401.5583 v1 · 2014-01-22 · 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{MZEPLAS7L7GZLJ66BA432A6L2U}

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	2026-05-18T03:01:25.874477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6648f5825f5fcd95a7de0839bd03cbd528c2aac2ede7eac7aefda5d74647d3af

Aliases

arxiv: 1401.5583 · arxiv_version: 1401.5583v1 · doi: 10.48550/arxiv.1401.5583 · pith_short_12: MZEPLAS7L7GZ · pith_short_16: MZEPLAS7L7GZLJ66 · pith_short_8: MZEPLAS7

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/MZEPLAS7L7GZLJ66BA432A6L2U \
  | 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: 6648f5825f5fcd95a7de0839bd03cbd528c2aac2ede7eac7aefda5d74647d3af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38bd41a8c4abd6c4955e362e27d13d84fb3d33805f1923f7dde6ba580b6b2495",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2014-01-22T07:52:52Z",
    "title_canon_sha256": "3cc35c62c2b6a1a06a445853b73c2958e63054d0ea0ff2e513376bc4e2ddc0ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.5583",
    "kind": "arxiv",
    "version": 1
  }
}