Pith Number

pith:ARESMLN6

pith:2008:ARESMLN6BJ7TTXKH7WKZHT5PIX

not attested not anchored not stored refs pending

On Two Dimensional Orthogonal Knapsack Problem

Guochuan Zhang, Kazuo Iwama, Xin Han

arxiv:0803.4260 v1 · 2008-03-29 · cs.DS · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ARESMLN6BJ7TTXKH7WKZHT5PIX}

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	2026-07-04T15:34:39.289868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0449262dbe0a7f39dd47fd9593cfaf45d8b5f6fa2e620b95e181de66e4b2cfca

Aliases

arxiv: 0803.4260 · arxiv_version: 0803.4260v1 · doi: 10.48550/arxiv.0803.4260 · pith_short_12: ARESMLN6BJ7T · pith_short_16: ARESMLN6BJ7TTXKH · pith_short_8: ARESMLN6

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/ARESMLN6BJ7TTXKH7WKZHT5PIX \
  | 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: 0449262dbe0a7f39dd47fd9593cfaf45d8b5f6fa2e620b95e181de66e4b2cfca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fafda30d0389de95c65293fcc2d55eafecb486d875e91ea2fbc3e86c4a4e8e05",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2008-03-29T11:15:11Z",
    "title_canon_sha256": "e8dcc8b682ae640b1f5d9a2389d6beba53c4012e65590667707bcf315bd3c7d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.4260",
    "kind": "arxiv",
    "version": 1
  }
}