pith. sign in
Pith Number

pith:SVTKPMYT

pith:2014:SVTKPMYT5VUXNDELTGOEQB3ZD7
not attested not anchored not stored refs pending

Exploring non-signalling polytopes with negative probability

C. Carvalhaes, G. Oas, J. Acacio de Barros

arxiv:1404.3831 v2 · 2014-04-15 · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{SVTKPMYT5VUXNDELTGOEQB3ZD7}

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 2026-05-18T01:43:34.574830Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

9566a7b313ed69768c8b999c4807791fe4776e492d0a41c8471d3a1f410c9bbe

Aliases

arxiv: 1404.3831 · arxiv_version: 1404.3831v2 · doi: 10.48550/arxiv.1404.3831 · pith_short_12: SVTKPMYT5VUX · pith_short_16: SVTKPMYT5VUXNDEL · pith_short_8: SVTKPMYT
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/SVTKPMYT5VUXNDELTGOEQB3ZD7 \
  | 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: 9566a7b313ed69768c8b999c4807791fe4776e492d0a41c8471d3a1f410c9bbe
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "baa93c49610b1b0548629df05c237020d80fecacf6decf499e09d439a274a93a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-04-15T07:14:17Z",
    "title_canon_sha256": "a80bed8b36e46e6655f191290c6287d3ab1c94225d73c854dd9f38afce8da2c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.3831",
    "kind": "arxiv",
    "version": 2
  }
}