Pith Number

pith:XBWQE7SB

pith:2021:XBWQE7SBAEL255OB5JMMJUPJO2

not attested not anchored not stored refs pending

Uniqueness of noncontextual models for stabilizer subtheories

David Schmid, Haoxing Du, John H. Selby, Matthew F. Pusey

arxiv:2101.06263 v4 · 2021-01-15 · 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{XBWQE7SBAEL255OB5JMMJUPJO2}

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	2026-07-05T05:01:14.787934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b86d027e410117aef5c1ea58c4d1e976bdd31c8f63b835bccd8597ec3cd5314a

Aliases

arxiv: 2101.06263 · arxiv_version: 2101.06263v4 · doi: 10.48550/arxiv.2101.06263 · pith_short_12: XBWQE7SBAEL2 · pith_short_16: XBWQE7SBAEL255OB · pith_short_8: XBWQE7SB

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/XBWQE7SBAEL255OB5JMMJUPJO2 \
  | 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: b86d027e410117aef5c1ea58c4d1e976bdd31c8f63b835bccd8597ec3cd5314a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94537cd2fdcd623214b541ffbe4db50356970d4cce02b5178bd9a1fe6fa3d1db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-01-15T18:54:58Z",
    "title_canon_sha256": "3089549b0dfa834659382f04d4c5f6dbdd289568e4cbe8efd2adbd1c633c2c4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.06263",
    "kind": "arxiv",
    "version": 4
  }
}