Pith Number

pith:Y7JIJIL4

pith:2022:Y7JIJIL43CN3CWZ63NX5ZXB2UI

not attested not anchored not stored refs pending

A Constructive Heuristic Algorithm for 3D Bin Packing of Irregular Shaped Items

Qiruyi Zuo, Wai Kin Victor Chan, Xinglu Liu

arxiv:2206.15116 v1 · 2022-06-30 · cs.CG · cs.SY · eess.SY

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y7JIJIL43CN3CWZ63NX5ZXB2UI}

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	2026-07-05T04:36:25.622644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7d284a17cd89bb15b3edb6fdcdc3aa2306a41dead4a073f082d37f9c1d5008f

Aliases

arxiv: 2206.15116 · arxiv_version: 2206.15116v1 · doi: 10.48550/arxiv.2206.15116 · pith_short_12: Y7JIJIL43CN3 · pith_short_16: Y7JIJIL43CN3CWZ6 · pith_short_8: Y7JIJIL4

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/Y7JIJIL43CN3CWZ63NX5ZXB2UI \
  | 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: c7d284a17cd89bb15b3edb6fdcdc3aa2306a41dead4a073f082d37f9c1d5008f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5727864d96ba7e2f41bdcce8413979a1a28c6e506a27d60a5ed80fb96c6ceea",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2022-06-30T08:26:18Z",
    "title_canon_sha256": "de65e84477842bb0485ee536920b930c886a4e55790d81cc844291e933dd2b81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.15116",
    "kind": "arxiv",
    "version": 1
  }
}