Pith Number

pith:EWKIXAIX

pith:2015:EWKIXAIXNJ4E4XFGSYEBAGPJY4

not attested not anchored not stored refs pending

Tetragonal Bismuth Bilayer: A Stable and Robust Quantum Spin Hall Insulator

Aijun Du, Changfeng Chen, Hassan Tahini, Liangzhi Kou, Liujiang Zhou, Sean C Smith, Xin Tan, Yandong Ma, Ziqi Sun

arxiv:1510.07761 v1 · 2015-10-27 · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EWKIXAIXNJ4E4XFGSYEBAGPJY4}

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	2026-05-18T01:25:56.862893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25948b81176a784e5ca696081019e9c72aa84604946a8d81bb3750cc72b3a9ad

Aliases

arxiv: 1510.07761 · arxiv_version: 1510.07761v1 · doi: 10.48550/arxiv.1510.07761 · pith_short_12: EWKIXAIXNJ4E · pith_short_16: EWKIXAIXNJ4E4XFG · pith_short_8: EWKIXAIX

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/EWKIXAIXNJ4E4XFGSYEBAGPJY4 \
  | 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: 25948b81176a784e5ca696081019e9c72aa84604946a8d81bb3750cc72b3a9ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f11726f3a542f2595a30402b472e849a5644897d9ccdb3a0f4faeca676f990b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2015-10-27T03:28:55Z",
    "title_canon_sha256": "bf394f00de5d510a4a89be08b534338b925f825495aad4fa2b6a8dc80f6397ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.07761",
    "kind": "arxiv",
    "version": 1
  }
}