Pith Number

pith:ZTVKVH4A

pith:2014:ZTVKVH4AOOY5GNVR7MHR3NI5CM

not attested not anchored not stored refs pending

Sum-of-squares hierarchy lower bounds for symmetric formulations

Adam Kurpisz, Monaldo Mastrolilli, Samuli Lepp\"anen

arxiv:1407.1746 v2 · 2014-07-07 · 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{ZTVKVH4AOOY5GNVR7MHR3NI5CM}

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	2026-05-18T01:21:02.938880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cceaaa9f8073b1d336b1fb0f1db51d130350b75c1034c49a503cb1ec5758bacf

Aliases

arxiv: 1407.1746 · arxiv_version: 1407.1746v2 · doi: 10.48550/arxiv.1407.1746 · pith_short_12: ZTVKVH4AOOY5 · pith_short_16: ZTVKVH4AOOY5GNVR · pith_short_8: ZTVKVH4A

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/ZTVKVH4AOOY5GNVR7MHR3NI5CM \
  | 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: cceaaa9f8073b1d336b1fb0f1db51d130350b75c1034c49a503cb1ec5758bacf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9ba633c79a9530e2489845edfa9a6b24b4af85671571fd504654b230ec07419",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-07-07T15:37:56Z",
    "title_canon_sha256": "3e6109714176f0b4a243664e754c5b410ca252ab85b464e245a7a6ad288cfafe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.1746",
    "kind": "arxiv",
    "version": 2
  }
}