Pith Number

pith:7NE2BF7A

pith:2014:7NE2BF7ADRVNLXMEAYMJPJBWJT

not attested not anchored not stored refs pending

The Hardness of Finding Linear Ranking Functions for Lasso Programs

Amir M. Ben-Amram

arxiv:1408.5955 v1 · 2014-08-26 · cs.LO · 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{7NE2BF7ADRVNLXMEAYMJPJBWJT}

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	2026-05-18T02:44:15.780056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb49a097e01c6ad5dd84061897a4364cfd133c00cd7ebb0aef2077eac2b76ff1

Aliases

arxiv: 1408.5955 · arxiv_version: 1408.5955v1 · doi: 10.48550/arxiv.1408.5955 · pith_short_12: 7NE2BF7ADRVN · pith_short_16: 7NE2BF7ADRVNLXME · pith_short_8: 7NE2BF7A

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/7NE2BF7ADRVNLXMEAYMJPJBWJT \
  | 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: fb49a097e01c6ad5dd84061897a4364cfd133c00cd7ebb0aef2077eac2b76ff1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67ab069a56dc8ba6f1f48b7797f1fdafea9d0729e1fdf3557df7694321318e18",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2014-08-26T01:14:28Z",
    "title_canon_sha256": "593bf401d725d82de17e99b316c9c71bdff06bf1156261c17b6fdee7b3d6b252"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.5955",
    "kind": "arxiv",
    "version": 1
  }
}