Pith Number

pith:6NQDX67V

pith:2013:6NQDX67VZZS7EPK6WDWD74D6KC

not attested not anchored not stored refs pending

Negativity and topological order in the toric code

Claudio Castelnovo

arxiv:1306.4990 v3 · 2013-06-20 · cond-mat.str-el · 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{6NQDX67VZZS7EPK6WDWD74D6KC}

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.

Cited by

1 paper in Pith

Separability and entanglement of resonating valence-bond states

Receipt and verification

First computed	2026-05-18T03:00:50.183348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3603bfbf5ce65f23d5eb0ec3ff07e508ebcde338fdd3079eb3bd41efe3cf393

Aliases

arxiv: 1306.4990 · arxiv_version: 1306.4990v3 · doi: 10.48550/arxiv.1306.4990 · pith_short_12: 6NQDX67VZZS7 · pith_short_16: 6NQDX67VZZS7EPK6 · pith_short_8: 6NQDX67V

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/6NQDX67VZZS7EPK6WDWD74D6KC \
  | 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: f3603bfbf5ce65f23d5eb0ec3ff07e508ebcde338fdd3079eb3bd41efe3cf393

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4767b8a7fe05b7d67ea618fa8d4b0719e9042929568192c6d239964f8e4a460",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2013-06-20T20:11:06Z",
    "title_canon_sha256": "4ae38d4437b737f4a74ec95cb884052f620a6e5a3b555a1ef78c06585781702c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.4990",
    "kind": "arxiv",
    "version": 3
  }
}