Pith Number

pith:752R7ZOW

pith:2021:752R7ZOWIAITNFXT23WCLLC54Y

not attested not anchored not stored refs pending

Contextuality without incompatibility

Ana Bel\'en Sainz, David Schmid, Elie Wolfe, John H. Selby, Ravi Kunjwal, Robert W. Spekkens

arxiv:2106.09045 v3 · 2021-06-16 · 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{752R7ZOWIAITNFXT23WCLLC54Y}

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	2026-07-05T08:04:10.172659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff751fe5d640113696f3d6ec25ac5de62cd47ed4a6730c9b2881d6d331e8dd89

Aliases

arxiv: 2106.09045 · arxiv_version: 2106.09045v3 · doi: 10.48550/arxiv.2106.09045 · pith_short_12: 752R7ZOWIAIT · pith_short_16: 752R7ZOWIAITNFXT · pith_short_8: 752R7ZOW

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/752R7ZOWIAITNFXT23WCLLC54Y \
  | 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: ff751fe5d640113696f3d6ec25ac5de62cd47ed4a6730c9b2881d6d331e8dd89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "043b0e5cd4a59d8182f07c181210dac40c22bd0af08f7351c9e382b6a3450a9f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-06-16T18:00:04Z",
    "title_canon_sha256": "55cccd5514839f73654de4ebab3c48264deb271ccf90db2101d35bfb3b15dbd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.09045",
    "kind": "arxiv",
    "version": 3
  }
}