Pith Number

pith:2EKJKPVN

pith:2016:2EKJKPVN6EUOMXVTECGVM44RS7

not attested not anchored not stored refs pending

Tight Sum-of-Squares lower bounds for binary polynomial optimization problems

Adam Kurpisz, Monaldo Mastrolilli, Samuli Lepp\"anen

arxiv:1605.03019 v1 · 2016-05-10 · cs.CC · 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{2EKJKPVN6EUOMXVTECGVM44RS7}

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	2026-05-18T01:15:07.857362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d114953eadf128e65eb3208d56739197f7b893127fb9c333552c56e50eda6eca

Aliases

arxiv: 1605.03019 · arxiv_version: 1605.03019v1 · doi: 10.48550/arxiv.1605.03019 · pith_short_12: 2EKJKPVN6EUO · pith_short_16: 2EKJKPVN6EUOMXVT · pith_short_8: 2EKJKPVN

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/2EKJKPVN6EUOMXVTECGVM44RS7 \
  | 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: d114953eadf128e65eb3208d56739197f7b893127fb9c333552c56e50eda6eca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "982b56ce2562f29535ad4aec5dbd485f662adaf7f89b05750dbc42a8487ced31",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2016-05-10T14:03:44Z",
    "title_canon_sha256": "7fc2ab15ac8a0e47949eae7d6928958e039fa376f81c8093644ed2381826fdd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.03019",
    "kind": "arxiv",
    "version": 1
  }
}