Pith Number

pith:LLNUFEVG

pith:2015:LLNUFEVG2272KSAAJWG7QOMX3C

not attested not anchored not stored refs pending

An improved semidefinite programming hierarchy for testing entanglement

Anand Natarajan, Aram W. Harrow, Xiaodi Wu

arxiv:1506.08834 v2 · 2015-06-29 · quant-ph · cs.DS · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LLNUFEVG2272KSAAJWG7QOMX3C}

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.

Cited by

1 paper in Pith

The Collapse of Unentangled Stoquastic Merlin-Arthur Proof Systems

Receipt and verification

First computed	2026-05-18T00:42:18.121493Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5adb4292a6d6bfa548004d8df83997d8883fcc42f5b9c1fd70b5ddf4e68d78e6

Aliases

arxiv: 1506.08834 · arxiv_version: 1506.08834v2 · doi: 10.48550/arxiv.1506.08834 · pith_short_12: LLNUFEVG2272 · pith_short_16: LLNUFEVG2272KSAA · pith_short_8: LLNUFEVG

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/LLNUFEVG2272KSAAJWG7QOMX3C \
  | 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: 5adb4292a6d6bfa548004d8df83997d8883fcc42f5b9c1fd70b5ddf4e68d78e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfa31758094c2ce089468c25ef23bee09c39bf9fd60ecad593b9c72bd2b2297f",
    "cross_cats_sorted": [
      "cs.DS",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-06-29T20:01:18Z",
    "title_canon_sha256": "75126a5f234756aa080c34675a1147ffc407232b2603f6fcd08897d5a43f4408"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.08834",
    "kind": "arxiv",
    "version": 2
  }
}