Pith Number

pith:J4N3TW6R

pith:2019:J4N3TW6R57A6H7WYDQ63CDGKPM

not attested not anchored not stored refs pending

Negativity of quasiprobability distributions as a measure of nonclassicality

Hyunseok Jeong, Kok Chuan Tan, Seongjeon Choi

arxiv:1906.05579 v2 · 2019-06-13 · 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{J4N3TW6R57A6H7WYDQ63CDGKPM}

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

Nonclassical Light and Metrological Power: An Introductory Review

Receipt and verification

First computed	2026-07-05T00:50:02.977736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f1bb9dbd1efc1e3fed81c3db10cca7b1e943d876c2397a237ec97da36378c76

Aliases

arxiv: 1906.05579 · arxiv_version: 1906.05579v2 · doi: 10.48550/arxiv.1906.05579 · pith_short_12: J4N3TW6R57A6 · pith_short_16: J4N3TW6R57A6H7WY · pith_short_8: J4N3TW6R

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/J4N3TW6R57A6H7WYDQ63CDGKPM \
  | 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: 4f1bb9dbd1efc1e3fed81c3db10cca7b1e943d876c2397a237ec97da36378c76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc17e8925a5b94dd11e33c8bc9aad4d23c689b54500691b6af8e5e143eb14b35",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-06-13T09:50:01Z",
    "title_canon_sha256": "bb9d9524cba3a7741b640e513d83de4ede9440fc33bab8ac097113c3742281b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.05579",
    "kind": "arxiv",
    "version": 2
  }
}