Pith Number

pith:MM5OV2IP

pith:2021:MM5OV2IPUM5BSL6IX34STZAE5D

not attested not anchored not stored refs pending

Contextuality and Wigner negativity are equivalent for continuous-variable quantum measurements

Pierre-Emmanuel Emeriau, Robert I. Booth, Ulysse Chabaud

arxiv:2111.13218 v2 · 2021-11-25 · quant-ph · math-ph · math.MP · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MM5OV2IPUM5BSL6IX34STZAE5D}

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	2026-07-05T05:23:56.462474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

633aeae90fa33a192fc8bef929e404e8cb5ebc636b31c3103937321786303dcf

Aliases

arxiv: 2111.13218 · arxiv_version: 2111.13218v2 · doi: 10.48550/arxiv.2111.13218 · pith_short_12: MM5OV2IPUM5B · pith_short_16: MM5OV2IPUM5BSL6I · pith_short_8: MM5OV2IP

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/MM5OV2IPUM5BSL6IX34STZAE5D \
  | 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: 633aeae90fa33a192fc8bef929e404e8cb5ebc636b31c3103937321786303dcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d45f0bfe93f7b544059494be661e23eb2968540d610c1b4260c93102fec9204",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "math.PR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-11-25T18:58:06Z",
    "title_canon_sha256": "43a1d1ef5bcc2abad6e2e3a5d0bef9f6f3657fabb842a80a1f505bbaa23403c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.13218",
    "kind": "arxiv",
    "version": 2
  }
}