Pith Number

pith:J7PX6PL2

pith:2019:J7PX6PL2MLT5ECBOWYKOQO64GU

not attested not anchored not stored refs pending

Gapless surface Dirac cone in antiferromagnetic topological insulator MnBi$_2$Te$_4$

Chang Liu, Chaowei Hu, Chaoyu Chen, Eike F. Schwier, Hongyi Sun, Jiawei Mei, Kenya Shimada, Ke Zhang, Liusuo Wu, Masashi Arita, Meng Zeng, Ni Ni, Pengfei Liu, Qihang Liu, Rui'e Lu, Shiv Kumar, Xiao-Ming Ma, Yuan Wang, Yue Feng, Yu-Jie Hao, Zhanyang Hao

arxiv:1907.03722 v2 · 2019-07-08 · 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{J7PX6PL2MLT5ECBOWYKOQO64GU}

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	2026-07-05T00:22:00.526045Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fdf7f3d7a62e7d2082eb614e83bdc350e9925279bdf032f2b1897b2776728e8

Aliases

arxiv: 1907.03722 · arxiv_version: 1907.03722v2 · doi: 10.48550/arxiv.1907.03722 · pith_short_12: J7PX6PL2MLT5 · pith_short_16: J7PX6PL2MLT5ECBO · pith_short_8: J7PX6PL2

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/J7PX6PL2MLT5ECBOWYKOQO64GU \
  | 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: 4fdf7f3d7a62e7d2082eb614e83bdc350e9925279bdf032f2b1897b2776728e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b05321a2bc2866634032e0ab94154628e26bd7bb40cfa037d94ecda042bff49b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2019-07-08T16:59:22Z",
    "title_canon_sha256": "e819eb51dc41d270a2cc0e22e8fcdf2cc4959f00c994ed755799a3df78dbac1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.03722",
    "kind": "arxiv",
    "version": 2
  }
}