Pith Number

pith:GAGQ52EN

pith:2020:GAGQ52ENDJ4UMLYWKEFIRFG4KM

not attested not anchored not stored refs pending

Solvable Criterion for the Contextuality of any Prepare-and-Measure Scenario

Mischa P. Woods, Victor Gitton

arxiv:2003.06426 v4 · 2020-03-13 · quant-ph · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GAGQ52ENDJ4UMLYWKEFIRFG4KM}

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	2026-07-05T04:29:49.322701Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

300d0ee88d1a79462f16510a8894dc530c427c6ab73c8a2f0c2130ff5ead941e

Aliases

arxiv: 2003.06426 · arxiv_version: 2003.06426v4 · doi: 10.48550/arxiv.2003.06426 · pith_short_12: GAGQ52ENDJ4U · pith_short_16: GAGQ52ENDJ4UMLYW · pith_short_8: GAGQ52EN

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/GAGQ52ENDJ4UMLYWKEFIRFG4KM \
  | 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: 300d0ee88d1a79462f16510a8894dc530c427c6ab73c8a2f0c2130ff5ead941e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0c229f3d76e0d3e43d4a1270915bd0975c3d15936200a67f91586251084a661",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-03-13T18:00:05Z",
    "title_canon_sha256": "c7d6f5be5dcb611cafbc2352c7bd02161aba153a3cd0a7a27472dd1bdee70534"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.06426",
    "kind": "arxiv",
    "version": 4
  }
}