Pith Number

pith:7PPGHR3C

pith:2021:7PPGHR3CUWCTQBCZNCL4VNUIQB

not attested not anchored not stored refs pending

Topological magnon insulator spin excitations in the two-dimensional ferromagnet CrBr$_3$

Devashibhai Adroja, Dongjing Lin, Jian-Xin Li, Jinghui Wang, Jinsheng Wen, Kejing Ran, Shichao Li, Shun-Li Yu, Song Bao, Wei Wang, Wenda Si, Xiaoshan Wu, Xiaoxiang Xi, Yanyan Shangguan, Yi-Peng Gao, Yizhang Wu, Zhao-Long Gu, Zhao-Yang Dong, Zhengwei Cai, Zhen Ma

arxiv:2107.02486 v1 · 2021-07-06 · cond-mat.str-el

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7PPGHR3CUWCTQBCZNCL4VNUIQB}

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	2026-07-05T02:55:21.223907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbde63c762a5853804596897cab688805af2cdcc037015cc9e983b8553136959

Aliases

arxiv: 2107.02486 · arxiv_version: 2107.02486v1 · doi: 10.48550/arxiv.2107.02486 · pith_short_12: 7PPGHR3CUWCT · pith_short_16: 7PPGHR3CUWCTQBCZ · pith_short_8: 7PPGHR3C

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/7PPGHR3CUWCTQBCZNCL4VNUIQB \
  | 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: fbde63c762a5853804596897cab688805af2cdcc037015cc9e983b8553136959

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c85af5daef31fc9770d371f8f5d22ec95acd5937a70e43810f98e1a442b06607",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2021-07-06T08:59:17Z",
    "title_canon_sha256": "938648b27a9c56289bb37d0c588aa36b3c0dd0ed04d2db1190cf05197f27d9d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.02486",
    "kind": "arxiv",
    "version": 1
  }
}