Pith Number

pith:XP2IA3EG

pith:2019:XP2IA3EGUDWIJZ4ALQRO4RSOWA

not attested not anchored not stored refs pending

BaHgSn: A Dirac semimetal with surface hourglass fermions

Hongming Weng, Tan Zhang, Zhihai Cui, Zhijun Wang, Zhong Fang

arxiv:1912.00599 v2 · 2019-12-02 · cond-mat.mtrl-sci · 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{XP2IA3EGUDWIJZ4ALQRO4RSOWA}

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	2026-07-05T00:53:43.254388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbf4806c86a0ec84e7805c22ee464eb035f5dca3e5cb3ed89788e166c61de06d

Aliases

arxiv: 1912.00599 · arxiv_version: 1912.00599v2 · doi: 10.48550/arxiv.1912.00599 · pith_short_12: XP2IA3EGUDWI · pith_short_16: XP2IA3EGUDWIJZ4A · pith_short_8: XP2IA3EG

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/XP2IA3EGUDWIJZ4ALQRO4RSOWA \
  | 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: bbf4806c86a0ec84e7805c22ee464eb035f5dca3e5cb3ed89788e166c61de06d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0f244c67d71c17172156a9f687a4d544da51cd9ee4defcd7600d00f57c211b8",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2019-12-02T07:08:36Z",
    "title_canon_sha256": "4591942cc2c24030e9e188abf9d4c6acbfe0036d0e8ee9203f8a53837f23b370"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.00599",
    "kind": "arxiv",
    "version": 2
  }
}