Pith Number

pith:QP2YTZXG

pith:2011:QP2YTZXGLQGPNOGKEAW333NHSG

not attested not anchored not stored refs pending

Epsilon-net method for optimizations over separable states

Xiaodi Wu, Yaoyun Shi

arxiv:1112.0808 v1 · 2011-12-04 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QP2YTZXGLQGPNOGKEAW333NHSG}

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	2026-05-18T04:06:57.748701Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83f589e6e65c0cf6b8ca202dbdeda791993e4ba98d959323df67b7d55e32209c

Aliases

arxiv: 1112.0808 · arxiv_version: 1112.0808v1 · doi: 10.48550/arxiv.1112.0808 · pith_short_12: QP2YTZXGLQGP · pith_short_16: QP2YTZXGLQGPNOGK · pith_short_8: QP2YTZXG

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/QP2YTZXGLQGPNOGKEAW333NHSG \
  | 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: 83f589e6e65c0cf6b8ca202dbdeda791993e4ba98d959323df67b7d55e32209c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8db0684819dba45685fc2e10aa1e0f38f767833d1040932b679858637179204",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-12-04T23:00:57Z",
    "title_canon_sha256": "3a12be85e6182e90584a9b7a3624ef5ac97ab478a444a031d28174ae44997b6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.0808",
    "kind": "arxiv",
    "version": 1
  }
}