Pith Number

pith:5KS275WG

pith:2013:5KS275WGWSDTTBTTP7QWK6SSBO

not attested not anchored not stored refs pending

Detecting and estimating continuous-variable entanglement by local orthogonal observables

Chengjie Zhang, C.H. Oh, Qing Chen, Sixia Yu

arxiv:1307.7487 v2 · 2013-07-29 · 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{5KS275WGWSDTTBTTP7QWK6SSBO}

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	2026-05-18T03:08:03.983458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eaa5aff6c6b4873986737fe1657a520b972c3026120bdbd3736a6f4642b1f9fc

Aliases

arxiv: 1307.7487 · arxiv_version: 1307.7487v2 · doi: 10.48550/arxiv.1307.7487 · pith_short_12: 5KS275WGWSDT · pith_short_16: 5KS275WGWSDTTBTT · pith_short_8: 5KS275WG

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/5KS275WGWSDTTBTTP7QWK6SSBO \
  | 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: eaa5aff6c6b4873986737fe1657a520b972c3026120bdbd3736a6f4642b1f9fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f1e78e1fa0582cf4730d4b1636cb0c71c7b9eaf161586c8309f012ed0944920",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-07-29T07:25:44Z",
    "title_canon_sha256": "9d033e024ce896c2a5e22a9ba048d958e777c658f88064273aaa6bd656df0f39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7487",
    "kind": "arxiv",
    "version": 2
  }
}