Pith Number

pith:J2JFLCXA

pith:2020:J2JFLCXASWLTYGY7NOMXLSF74B

not attested not anchored not stored refs pending

Hofstadter butterfly and Floquet topological insulators in minimally twisted bilayer graphene

Fengcheng Wu, Sankar Das Sarma, Yang-Zhi Chou

arxiv:2004.15022 v2 · 2020-04-30 · cond-mat.mes-hall · cond-mat.mtrl-sci · 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{J2JFLCXASWLTYGY7NOMXLSF74B}

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	2026-07-05T01:28:19.973691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e92558ae095973c1b1f6b9975c8bfe077f8e51a4012998f78e75fec29cc0d0e

Aliases

arxiv: 2004.15022 · arxiv_version: 2004.15022v2 · doi: 10.48550/arxiv.2004.15022 · pith_short_12: J2JFLCXASWLT · pith_short_16: J2JFLCXASWLTYGY7 · pith_short_8: J2JFLCXA

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/J2JFLCXASWLTYGY7NOMXLSF74B \
  | 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: 4e92558ae095973c1b1f6b9975c8bfe077f8e51a4012998f78e75fec29cc0d0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "871229f24dd9586657937cd035993f2a717e7bb8354975b8bac1444a39f55562",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "cond-mat.stat-mech",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2020-04-30T17:59:31Z",
    "title_canon_sha256": "316d3a73533574206b5e500ea92e54a9899e246346c2ed6951aef7770a62f24d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.15022",
    "kind": "arxiv",
    "version": 2
  }
}