Pith Number

pith:PT7WNTLG

pith:2020:PT7WNTLGIAGCYXNNXKNBT27JCF

not attested not anchored not stored refs pending

Symmetry-protected sign problem and magic in quantum phases of matter

Kohtaro Kato, Timothy H. Hsieh, Tyler D. Ellison, Zi-Wen Liu

arxiv:2010.13803 v4 · 2020-10-26 · cond-mat.str-el · cond-mat.stat-mech · 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{PT7WNTLGIAGCYXNNXKNBT27JCF}

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

Twisted quantum doubles are sign problem-free

Receipt and verification

First computed	2026-07-05T03:43:57.685594Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cff66cd66400c2c5dadba9a19ebe9117c56d425337a98c5d6783073421808b5

Aliases

arxiv: 2010.13803 · arxiv_version: 2010.13803v4 · doi: 10.48550/arxiv.2010.13803 · pith_short_12: PT7WNTLGIAGC · pith_short_16: PT7WNTLGIAGCYXNN · pith_short_8: PT7WNTLG

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/PT7WNTLGIAGCYXNNXKNBT27JCF \
  | 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: 7cff66cd66400c2c5dadba9a19ebe9117c56d425337a98c5d6783073421808b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39e1680b5eba7cf26bf258f6644f93641edb19b74bf92f36bc4f24910651e786",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2020-10-26T18:00:05Z",
    "title_canon_sha256": "4bb432c73cc22b08ef4cbb25f0a7fb45dfcd03f83d6a3e222d290d3ce87745c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.13803",
    "kind": "arxiv",
    "version": 4
  }
}