Pith Number

pith:NS3PCNW3

pith:2017:NS3PCNW3QQ5OI3QHWCJDOEZXEI

not attested not anchored not stored refs pending

The contextual fraction as a measure of contextuality

Rui Soares Barbosa, Samson Abramsky, Shane Mansfield

arxiv:1705.07918 v1 · 2017-05-22 · 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{NS3PCNW3QQ5OI3QHWCJDOEZXEI}

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

The Algebraic Landscape of Kochen-Specker Sets in Dimension Three

Receipt and verification

First computed	2026-05-18T00:38:26.120475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cb6f136db843ae46e07b0923713372224252e4c7d3253fb1b57c6c90f79a156

Aliases

arxiv: 1705.07918 · arxiv_version: 1705.07918v1 · doi: 10.48550/arxiv.1705.07918 · pith_short_12: NS3PCNW3QQ5O · pith_short_16: NS3PCNW3QQ5OI3QH · pith_short_8: NS3PCNW3

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/NS3PCNW3QQ5OI3QHWCJDOEZXEI \
  | 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: 6cb6f136db843ae46e07b0923713372224252e4c7d3253fb1b57c6c90f79a156

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31f3a5b60c41cc8d10090c020a2f83584a6b0745927a222f4ea5c57e2a9e88c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-05-22T18:01:55Z",
    "title_canon_sha256": "1b916a803250904364b5ca298b3b7956a48b55d7776c74704fb7be629c2752d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.07918",
    "kind": "arxiv",
    "version": 1
  }
}