Pith Number

pith:XNPJKNKY

pith:2012:XNPJKNKYU46KEFDWWL4DBJXPSZ

not attested not anchored not stored refs pending

On Solving the Oriented Two-Dimensional Bin Packing Problem under Free Guillotine Cutting: Exploiting the Power of Probabilistic Solution Construction

Christian Blum, Lukas Baumgartner, Verena Schmid

arxiv:1209.0880 v1 · 2012-09-05 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XNPJKNKYU46KEFDWWL4DBJXPSZ}

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	2026-05-18T03:46:15.960755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb5e953558a73ca21476b2f830a6ef964e7471b215824ef02d93144beb451b7a

Aliases

arxiv: 1209.0880 · arxiv_version: 1209.0880v1 · doi: 10.48550/arxiv.1209.0880 · pith_short_12: XNPJKNKYU46K · pith_short_16: XNPJKNKYU46KEFDW · pith_short_8: XNPJKNKY

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/XNPJKNKYU46KEFDWWL4DBJXPSZ \
  | 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: bb5e953558a73ca21476b2f830a6ef964e7471b215824ef02d93144beb451b7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b51ad3cebcd8d5dd9de170aee5157cb24e4a6cccc7a1b87b33e03b8583ba8ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2012-09-05T07:38:58Z",
    "title_canon_sha256": "1ec82810dd79bd147fb0ea14e8ffc6ad03855a866353d92c98bdea077913fff4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.0880",
    "kind": "arxiv",
    "version": 1
  }
}