Pith Number

pith:QZEF4T27

pith:2020:QZEF4T277UDQFMPV24OOZPMK3T

not attested not anchored not stored refs pending

Emergent quantum Hall effects below $50$ mT in a two-dimensional topological insulator

Andreas Budewitz, Ewelina M. Hankiewicz, Hartmut Buhmann, Jan B\"ottcher, Laurens W. Molenkamp, Lukas Lunczer, Philipp Leubner, Pragya Shekhar, Saquib Shamim, Wouter Beugeling

arxiv:2004.00091 v1 · 2020-03-31 · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QZEF4T277UDQFMPV24OOZPMK3T}

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	2026-07-05T01:13:44.343803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86485e4f5ffd0702b1f5d71cecbd8adcd31f6253577cc37899d31745b1efbef2

Aliases

arxiv: 2004.00091 · arxiv_version: 2004.00091v1 · doi: 10.48550/arxiv.2004.00091 · pith_short_12: QZEF4T277UDQ · pith_short_16: QZEF4T277UDQFMPV · pith_short_8: QZEF4T27

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/QZEF4T277UDQFMPV24OOZPMK3T \
  | 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: 86485e4f5ffd0702b1f5d71cecbd8adcd31f6253577cc37899d31745b1efbef2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b035dc403a135d2a0bb03301773430b81614fd53fad521c8462d9d246b662f7e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2020-03-31T20:25:40Z",
    "title_canon_sha256": "856fbd83b8c60339e905a1447c9b059e40dd6620e50a501c5e7d27a55f3f8496"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.00091",
    "kind": "arxiv",
    "version": 1
  }
}