Pith Number

pith:KPV2B3ER

pith:2022:KPV2B3ERJGAZELFZXTUXFBGNUE

not attested not anchored not stored refs pending

Symmetry-protected topological exceptional chains in non-Hermitian crystals

C. T. Chan, Ruo-Yang Zhang, Wen-Jie Chen, Xiaohan Cui, Zhao-Qing Zhang

arxiv:2204.08052 v2 · 2022-04-17 · physics.optics · 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{KPV2B3ERJGAZELFZXTUXFBGNUE}

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	2026-07-05T05:24:11.241512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53eba0ec914981922cb9bce97284cda100f134a9b267c025b2afde0a57d08455

Aliases

arxiv: 2204.08052 · arxiv_version: 2204.08052v2 · doi: 10.48550/arxiv.2204.08052 · pith_short_12: KPV2B3ERJGAZ · pith_short_16: KPV2B3ERJGAZELFZ · pith_short_8: KPV2B3ER

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/KPV2B3ERJGAZELFZXTUXFBGNUE \
  | 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: 53eba0ec914981922cb9bce97284cda100f134a9b267c025b2afde0a57d08455

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b7470dcd482d3f0a9e5deb0adf4b92851d0309172be5988bda8291abeb5294d",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2022-04-17T17:10:27Z",
    "title_canon_sha256": "58093c4c64dcf61b8a699e40566c3a79e0b61fe1c98734ac0a97bdb73bb51cff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.08052",
    "kind": "arxiv",
    "version": 2
  }
}