pith. sign in
Pith Number

pith:6VAHWTR6

pith:2017:6VAHWTR662VJEXDEO4WBTPLJXB
not attested not anchored not stored refs pending

Topological proofs of contextuality in quantum mechanics

Cihan Okay, Robert Raussendorf, Sam Roberts, Stephen D. Bartlett

arxiv:1701.01888 v2 · 2017-01-07 · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{6VAHWTR662VJEXDEO4WBTPLJXB}

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 2026-05-18T00:32:44.017852Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f5407b4e3ef6aa925c64772c19bd69b874bf499e808dd6a563fdf3646eca6af6

Aliases

arxiv: 1701.01888 · arxiv_version: 1701.01888v2 · doi: 10.48550/arxiv.1701.01888 · pith_short_12: 6VAHWTR662VJ · pith_short_16: 6VAHWTR662VJEXDE · pith_short_8: 6VAHWTR6
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/6VAHWTR662VJEXDEO4WBTPLJXB \
  | 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: f5407b4e3ef6aa925c64772c19bd69b874bf499e808dd6a563fdf3646eca6af6
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "831f5a09afff91678cf5156c36b8e5bd24feeb13f8ee1dd1588bfa4a4c719236",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-01-07T21:47:15Z",
    "title_canon_sha256": "ed32d78189a826f9564109a0d19edd1c912ff5d9a35dca5b2f15e0283e6fd553"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.01888",
    "kind": "arxiv",
    "version": 2
  }
}