Pith Number

pith:ZWQGPD6B

pith:2013:ZWQGPD6BWCEV64DNQFZFQVNSED

not attested not anchored not stored refs pending

Compatible quantum correlations: on extension problems for Werner and isotropic states

Lorenza Viola, Peter D. Johnson

arxiv:1305.1342 v3 · 2013-05-06 · 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{ZWQGPD6BWCEV64DNQFZFQVNSED}

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	2026-05-18T03:12:08.702832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cda0678fc1b0895f706d81725855b220e8193bbd3b1cea6ccb385a208da727a2

Aliases

arxiv: 1305.1342 · arxiv_version: 1305.1342v3 · doi: 10.48550/arxiv.1305.1342 · pith_short_12: ZWQGPD6BWCEV · pith_short_16: ZWQGPD6BWCEV64DN · pith_short_8: ZWQGPD6B

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/ZWQGPD6BWCEV64DNQFZFQVNSED \
  | 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: cda0678fc1b0895f706d81725855b220e8193bbd3b1cea6ccb385a208da727a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cc013b0c0243b44ba3c122062209fe547380372d896458f2e7a3e2f0b0c986c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-05-06T22:11:50Z",
    "title_canon_sha256": "ed801392c2c4b57c557a5bb6e130e0f0cc18b37f3a2314c6b6a2953e5c7a26ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.1342",
    "kind": "arxiv",
    "version": 3
  }
}