Pith Number

pith:IBKDOMFH

pith:2018:IBKDOMFHNRO6NIACNLIALKOSUY

not attested not anchored not stored refs pending

Negativity volume of the generalized Wigner function as an entanglement witness for hybrid bipartite states

Artur Barasi\'nski, Ievgen I. Arkhipov, Ji\v{r}\'i Svozil\'ik

arxiv:1809.03617 v2 · 2018-09-10 · 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{IBKDOMFHNRO6NIACNLIALKOSUY}

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	2026-05-18T00:00:34.791595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40543730a76c5de6a0026ad005a9d2a603ae1e00b9c43bb504008125f2b31ce0

Aliases

arxiv: 1809.03617 · arxiv_version: 1809.03617v2 · doi: 10.48550/arxiv.1809.03617 · pith_short_12: IBKDOMFHNRO6 · pith_short_16: IBKDOMFHNRO6NIAC · pith_short_8: IBKDOMFH

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/IBKDOMFHNRO6NIACNLIALKOSUY \
  | 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: 40543730a76c5de6a0026ad005a9d2a603ae1e00b9c43bb504008125f2b31ce0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84d7d16d304ceab490253a8394dc3469130ec1afe64a218f2afe29263ec0773b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-09-10T22:16:51Z",
    "title_canon_sha256": "8182d3467a0cb9a98739251eb136599799d14488b4a3e0fb64e50d72f609f3de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.03617",
    "kind": "arxiv",
    "version": 2
  }
}