Pith Number

pith:K5SNKZ4U

pith:2025:K5SNKZ4UJNY72CB6NZTGDS4HG4

not attested not anchored not stored refs pending

Observation of topology of non-Hermitian systems without chiral symmetry

Hao Li, Jiaojiao Li, Shuo Wang, Yuanjie Zhang, Zhengjie Kang, Zhihuang Luo

arxiv:2504.15620 v1 · 2025-04-22 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K5SNKZ4UJNY72CB6NZTGDS4HG4}

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	2026-07-05T10:52:27.602971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5764d567944b71fd083e6e6661cb873721ac2c2cfef14e3079bfa9fea427c6b7

Aliases

arxiv: 2504.15620 · arxiv_version: 2504.15620v1 · doi: 10.48550/arxiv.2504.15620 · pith_short_12: K5SNKZ4UJNY7 · pith_short_16: K5SNKZ4UJNY72CB6 · pith_short_8: K5SNKZ4U

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/K5SNKZ4UJNY72CB6NZTGDS4HG4 \
  | 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: 5764d567944b71fd083e6e6661cb873721ac2c2cfef14e3079bfa9fea427c6b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eab5cbeb1fe5e5f81f802deb0eafc78171197fff9636ba6422d27e612fb94cfd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-04-22T06:21:24Z",
    "title_canon_sha256": "ce73218770bebb321f534aa8da12834ba9e3625b938dad75de752f672953f365"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.15620",
    "kind": "arxiv",
    "version": 1
  }
}