Pith Number

pith:N4ES2WLF

pith:2017:N4ES2WLF55MEOK3XV7N33PQHBK

not attested not anchored not stored refs pending

Entanglement and Wigner function negativity of multimode non-Gaussian states

Claude Fabre, Mattia Walschaers, Nicolas Treps, Valentina Parigi

arxiv:1707.02285 v2 · 2017-07-07 · quant-ph · math-ph · math.MP · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N4ES2WLF55MEOK3XV7N33PQHBK}

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	2026-05-18T00:31:12.343377Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f092d5965ef58472b77afdbbdbe070a8bc3f81226cffb92adf26f860d25ad7c

Aliases

arxiv: 1707.02285 · arxiv_version: 1707.02285v2 · doi: 10.48550/arxiv.1707.02285 · pith_short_12: N4ES2WLF55ME · pith_short_16: N4ES2WLF55MEOK3X · pith_short_8: N4ES2WLF

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/N4ES2WLF55MEOK3XV7N33PQHBK \
  | 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: 6f092d5965ef58472b77afdbbdbe070a8bc3f81226cffb92adf26f860d25ad7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de14e083c13cfe10caf7cbc0bc65b971b5bed74d235662f742fcbe9654d5c63c",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-07-07T17:54:24Z",
    "title_canon_sha256": "88d4827db14e69a2cc21062b51ab07e0d51af8ff0f63cedbdf2368b10ac47fa9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.02285",
    "kind": "arxiv",
    "version": 2
  }
}