Pith Number

pith:KWQK2ITO

pith:2011:KWQK2ITO4EX6RXI7DVKOUZUNHA

not attested not anchored not stored refs pending

Topological Entanglement Entropy of Z2 Spin liquids and Lattice Laughlin states

Ashvin Vishwanath, Tarun Grover, Yi Zhang

arxiv:1106.0015 v3 · 2011-05-31 · cond-mat.str-el

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KWQK2ITO4EX6RXI7DVKOUZUNHA}

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	2026-05-18T04:14:44.872476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55a0ad226ee12fe8dd1f1d54ea668d3811f2d309c64d06b88f5ab0e05f2f9923

Aliases

arxiv: 1106.0015 · arxiv_version: 1106.0015v3 · doi: 10.48550/arxiv.1106.0015 · pith_short_12: KWQK2ITO4EX6 · pith_short_16: KWQK2ITO4EX6RXI7 · pith_short_8: KWQK2ITO

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/KWQK2ITO4EX6RXI7DVKOUZUNHA \
  | 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: 55a0ad226ee12fe8dd1f1d54ea668d3811f2d309c64d06b88f5ab0e05f2f9923

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e2903138f9c08ffffbeb91675b2f48786743f26cf9ef74dcb3b29b2dec45f76",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2011-05-31T20:08:50Z",
    "title_canon_sha256": "4d448ca28d8f8e1256c41aa38c6edd1be129fb6e9f645935e62efa5950b703d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.0015",
    "kind": "arxiv",
    "version": 3
  }
}