Pith Number

pith:NIWB5QNJ

pith:2017:NIWB5QNJ2JTXOGUCM5JQIX73YW

not attested not anchored not stored refs pending

Two-dimensional topological nodal line semimetal in layered $X_2Y$ ($X$ = Ca, Sr, and Ba; $Y$ = As, Sb, and Bi)

Chengwang Niu, Daniel Wortmann, Gustav Bihlmayer, Patrick M. Buhl, Stefan Bl\"ugel, Ying Dai, Yuriy Mokrousov

arxiv:1702.04634 v1 · 2017-02-15 · 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{NIWB5QNJ2JTXOGUCM5JQIX73YW}

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	2026-05-18T00:41:24.864862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a2c1ec1a9d267771a826753045ffbc5b4ef5f9c9f838171c2d9b27ddd33029e

Aliases

arxiv: 1702.04634 · arxiv_version: 1702.04634v1 · doi: 10.48550/arxiv.1702.04634 · pith_short_12: NIWB5QNJ2JTX · pith_short_16: NIWB5QNJ2JTXOGUC · pith_short_8: NIWB5QNJ

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/NIWB5QNJ2JTXOGUCM5JQIX73YW \
  | 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: 6a2c1ec1a9d267771a826753045ffbc5b4ef5f9c9f838171c2d9b27ddd33029e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "178bc454e1ac7406bdc9baa6f7a7a69fc02b8b3227773e9758594fab24ca9b08",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2017-02-15T14:47:48Z",
    "title_canon_sha256": "bf05925154fe760ea4d6842eec6d1adfc89ba2a6d98546c9b4dfbea5cfe619fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.04634",
    "kind": "arxiv",
    "version": 1
  }
}