Pith Number

pith:PKEO7KOI

pith:2020:PKEO7KOIHFKXARA3ZAGYK6OR2H

not attested not anchored not stored refs pending

A dark state of Chern bands: Designing flat bands with higher Chern number

Jakub Zakrzewski, Mateusz \L\k{a}cki, Nathan Goldman

arxiv:2002.05089 v4 · 2020-02-12 · cond-mat.quant-gas · cond-mat.mes-hall · 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{PKEO7KOIHFKXARA3ZAGYK6OR2H}

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	2026-07-05T02:43:05.478643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a88efa9c8395570441bc80d8579d1d1c9fd31bb92b52e158f530907dcc4b896

Aliases

arxiv: 2002.05089 · arxiv_version: 2002.05089v4 · doi: 10.48550/arxiv.2002.05089 · pith_short_12: PKEO7KOIHFKX · pith_short_16: PKEO7KOIHFKXARA3 · pith_short_8: PKEO7KOI

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/PKEO7KOIHFKXARA3ZAGYK6OR2H \
  | 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: 7a88efa9c8395570441bc80d8579d1d1c9fd31bb92b52e158f530907dcc4b896

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36d4a24ed1dd6f822a31dc951738871db757886d1e4625b0059fc1c42c8ca767",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2020-02-12T16:50:53Z",
    "title_canon_sha256": "f69b8484750e26d2dbfdb6915bf786ea9bd678629a43d248bb6a22491d083a53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.05089",
    "kind": "arxiv",
    "version": 4
  }
}