Pith Number

pith:TJP7CB5N

pith:2014:TJP7CB5NSF75KGFSGOLUMPAFAI

not attested not anchored not stored refs pending

An All-Around Near-Optimal Solution for the Classic Bin Packing Problem

Alejandro L\'opez-Ortiz, Shahin Kamali

arxiv:1404.4526 v1 · 2014-04-17 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TJP7CB5NSF75KGFSGOLUMPAFAI}

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	2026-05-18T02:54:04.087755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a5ff107ad917fd518b23397463c05020e74be7b3179b9f9dee01d626af83c52

Aliases

arxiv: 1404.4526 · arxiv_version: 1404.4526v1 · doi: 10.48550/arxiv.1404.4526 · pith_short_12: TJP7CB5NSF75 · pith_short_16: TJP7CB5NSF75KGFS · pith_short_8: TJP7CB5N

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/TJP7CB5NSF75KGFSGOLUMPAFAI \
  | 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: 9a5ff107ad917fd518b23397463c05020e74be7b3179b9f9dee01d626af83c52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca293d01b21fea8f8fe931c0c4102988c94909d46b954f0bc3e387a8ddf77a9b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-04-17T13:47:49Z",
    "title_canon_sha256": "024b6ddb1dfa1e7b94d53bd82244128787fc38bc22504e886d6e0a2ee44a8e02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.4526",
    "kind": "arxiv",
    "version": 1
  }
}