Pith Number

pith:2QNQ4MYA

pith:2020:2QNQ4MYAPEQOGUGXCGM36BNDCA

not attested not anchored not stored refs pending

Novel Family of Topological Semimetals with Butterfly-like Nodal Lines

Cheng-Yi Huang, Chuang-Han Hsu, Hsin Lin, Hugo Aramberri, Juan L. Ma\~nes, Maia G. Vergniory, Mikel Iraola, Nicholas Kioussis, Xiaoting Zhou

arxiv:2005.04360 v1 · 2020-05-09 · 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{2QNQ4MYAPEQOGUGXCGM36BNDCA}

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	2026-07-05T03:16:29.388478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d41b0e33007920e350d71199bf05a31003a17f4cde4f3da131bcf3ed20cf90b4

Aliases

arxiv: 2005.04360 · arxiv_version: 2005.04360v1 · doi: 10.48550/arxiv.2005.04360 · pith_short_12: 2QNQ4MYAPEQO · pith_short_16: 2QNQ4MYAPEQOGUGX · pith_short_8: 2QNQ4MYA

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/2QNQ4MYAPEQOGUGXCGM36BNDCA \
  | 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: d41b0e33007920e350d71199bf05a31003a17f4cde4f3da131bcf3ed20cf90b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31f5241d790b236660b521af08581591bfb97d977111301fff104be66d3d324b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2020-05-09T03:39:15Z",
    "title_canon_sha256": "e24802e65819789f5902098aee11873da8c077c299717ef046bf9058fbfc0e97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.04360",
    "kind": "arxiv",
    "version": 1
  }
}