Pith Number

pith:SAQAYIJE

pith:2019:SAQAYIJETHSZRJOO45RPF4RR43

not attested not anchored not stored refs pending

The Characterization of Noncontextuality in the Framework of Generalized Probabilistic Theories

David Schmid, Elie Wolfe, John Selby, Ravi Kunjwal, Robert W. Spekkens

arxiv:1911.10386 v2 · 2019-11-23 · 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{SAQAYIJETHSZRJOO45RPF4RR43}

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	2026-07-05T02:19:24.922188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90200c212499e598a5cee762f2f231e6ecb6add3091f8f9812421a65daf7dc9e

Aliases

arxiv: 1911.10386 · arxiv_version: 1911.10386v2 · doi: 10.48550/arxiv.1911.10386 · pith_short_12: SAQAYIJETHSZ · pith_short_16: SAQAYIJETHSZRJOO · pith_short_8: SAQAYIJE

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/SAQAYIJETHSZRJOO45RPF4RR43 \
  | 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: 90200c212499e598a5cee762f2f231e6ecb6add3091f8f9812421a65daf7dc9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91bc820982ee5fa18a5af74b6728ad5a1f619cbb1739a9e4c5e6bd4f86971294",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-11-23T16:41:07Z",
    "title_canon_sha256": "0cd793f8ff89e026c32728315fc0a4f0a333ec898dd184fddbf1c21f49f6836c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.10386",
    "kind": "arxiv",
    "version": 2
  }
}