Pith Number

pith:VTGDQ6F7

pith:2011:VTGDQ6F7QRVZGPAMIFPLC6YF6V

not attested not anchored not stored refs pending

Optimal nonlocal multipartite entanglement concentration based on projection measurements

Fu-Guo Deng

arxiv:1112.1355 v2 · 2011-12-06 · 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{VTGDQ6F7QRVZGPAMIFPLC6YF6V}

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	2026-05-18T04:02:39.166603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

accc3878bf846b933c0c415eb17b05f54b6f6641a084267dab6ebed0c504f6d5

Aliases

arxiv: 1112.1355 · arxiv_version: 1112.1355v2 · doi: 10.48550/arxiv.1112.1355 · pith_short_12: VTGDQ6F7QRVZ · pith_short_16: VTGDQ6F7QRVZGPAM · pith_short_8: VTGDQ6F7

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/VTGDQ6F7QRVZGPAMIFPLC6YF6V \
  | 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: accc3878bf846b933c0c415eb17b05f54b6f6641a084267dab6ebed0c504f6d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "878182b0dcc4448a4b34c9db12869ed392603f8e451efaebcd0c13e644439601",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-12-06T17:43:56Z",
    "title_canon_sha256": "6d2e688fe63ae08f919ac5340bde2a8cccbf7ac1c13fc0c7f2060ce68a3d2aa4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1355",
    "kind": "arxiv",
    "version": 2
  }
}