Pith Number

pith:ZKR7EVD4

pith:2010:ZKR7EVD4GVUA34KY3C4VETDH7W

not attested not anchored not stored refs pending

Linking Quantum Discord to Entanglement in a Measurement

Alexander Streltsov, Dagmar Bru{\ss}, Hermann Kampermann

arxiv:1012.4903 v3 · 2010-12-22 · 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{ZKR7EVD4GVUA34KY3C4VETDH7W}

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	2026-05-18T04:23:12.946965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

caa3f2547c35680df158d8b9524c67fd8ba443c2febbc095567797f4bf2219e8

Aliases

arxiv: 1012.4903 · arxiv_version: 1012.4903v3 · doi: 10.48550/arxiv.1012.4903 · pith_short_12: ZKR7EVD4GVUA · pith_short_16: ZKR7EVD4GVUA34KY · pith_short_8: ZKR7EVD4

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/ZKR7EVD4GVUA34KY3C4VETDH7W \
  | 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: caa3f2547c35680df158d8b9524c67fd8ba443c2febbc095567797f4bf2219e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "460d203b74456ab40c4dae49e4f892167bca911ecaef43b48766d679d95173a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-12-22T08:27:03Z",
    "title_canon_sha256": "fe78157fcc61f854541e3d691979af11fb0e057f48f51dda2bb891effed2e860"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.4903",
    "kind": "arxiv",
    "version": 3
  }
}