Pith Number

pith:BPY3JUYE

pith:2018:BPY3JUYEYT66VRMBWRZAGQ4V7A

not attested not anchored not stored refs pending

Symmetry Enforced Chiral Hinge States and Surface Quantum Anomalous Hall Effect in Magnetic Axion Insulator $\text{Bi}_{2-x}\text{Sm}_x\text{Se}_3$

Changming Yue, Chen Fang, Hongming Weng, Xi Dai, Yuanfeng Xu, Yuan-Ming Lu, Zhida Song

arxiv:1807.01414 v1 · 2018-07-04 · cond-mat.mes-hall · 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{BPY3JUYEYT66VRMBWRZAGQ4V7A}

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	2026-05-17T23:42:30.244893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bf1b4d304c4fdeac581b472034395f83688d5e531201fbc1cb1195cbfd7ddb7

Aliases

arxiv: 1807.01414 · arxiv_version: 1807.01414v1 · doi: 10.48550/arxiv.1807.01414 · pith_short_12: BPY3JUYEYT66 · pith_short_16: BPY3JUYEYT66VRMB · pith_short_8: BPY3JUYE

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/BPY3JUYEYT66VRMBWRZAGQ4V7A \
  | 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: 0bf1b4d304c4fdeac581b472034395f83688d5e531201fbc1cb1195cbfd7ddb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16c845a7475726fc66e7c68f9d99ce8c4aa9ab9b713c1e7cbbaa9580d3162afc",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2018-07-04T00:51:31Z",
    "title_canon_sha256": "ef7667a0c89f50362c402370cdd19ce52d7c200264da08e64c8ac1ce32c881c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.01414",
    "kind": "arxiv",
    "version": 1
  }
}