Pith Number

pith:LNBAU7S3

pith:2012:LNBAU7S32THD7R2EYH5RATLP4V

not attested not anchored not stored refs pending

Optimal Cuts and Bisections on the Real Line in Polynomial Time

Andrzej Lingas, Dzmitry Sledneu, Marek Karpinski

arxiv:1207.0933 v1 · 2012-07-04 · cs.DS · cs.CC · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LNBAU7S32THD7R2EYH5RATLP4V}

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	2026-05-18T03:51:47.967291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b420a7e5bd4ce3fc744c1fb104d6fe56c6bb7b2183e7d59e5fc3b3084b908c2

Aliases

arxiv: 1207.0933 · arxiv_version: 1207.0933v1 · doi: 10.48550/arxiv.1207.0933 · pith_short_12: LNBAU7S32THD · pith_short_16: LNBAU7S32THD7R2E · pith_short_8: LNBAU7S3

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/LNBAU7S32THD7R2EYH5RATLP4V \
  | 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: 5b420a7e5bd4ce3fc744c1fb104d6fe56c6bb7b2183e7d59e5fc3b3084b908c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "536a4312415906699e2ff884be9af5b33eecf18395ce99b8049361d8d6f9f1cd",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-07-04T10:02:15Z",
    "title_canon_sha256": "cb2b1f7787443edd488a0635e5063849658d90631e5b20bdc2c617203c99d0b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0933",
    "kind": "arxiv",
    "version": 1
  }
}