Pith Number

pith:KQLVAGAJ

pith:2026:KQLVAGAJLWJ3FS6PCN4I7DMPZE

not attested not anchored not stored refs pending

Non-Hermitian second-order topological insulator with point gap

Hao Lin, Hong Wu, Jia-Ji Zhu, Jian Li, Jun-Li Zhu, Xue-Min Yang

arxiv:2601.01524 v1 · 2026-01-04 · 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{KQLVAGAJLWJ3FS6PCN4I7DMPZE}

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	2026-06-19T16:09:53.515644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54175018095d93b2cbcf13788f8d8fc91a631ba163bb13e4a570c469faf2e103

Aliases

arxiv: 2601.01524 · arxiv_version: 2601.01524v1 · doi: 10.48550/arxiv.2601.01524 · pith_short_12: KQLVAGAJLWJ3 · pith_short_16: KQLVAGAJLWJ3FS6P · pith_short_8: KQLVAGAJ

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/KQLVAGAJLWJ3FS6PCN4I7DMPZE \
  | 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: 54175018095d93b2cbcf13788f8d8fc91a631ba163bb13e4a570c469faf2e103

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "884675921edf37101ae676207bc8e4d06e136629ccc1bb7684dadd986cdc49a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-01-04T13:21:59Z",
    "title_canon_sha256": "bb2a8ef7caecc87046a43a91d3d2c126f3e3f680152d65b5d1ec4fdc17625159"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.01524",
    "kind": "arxiv",
    "version": 1
  }
}