Pith Number

pith:2PPYZBKY

pith:2020:2PPYZBKYG6RTTEV2HB27NF6OBD

not attested not anchored not stored refs pending

Non-Hermitian route to higher-order topology in an acoustic crystal

Baile Zhang, Haoran Xue, He Gao, Jie Zhu, Tuo Liu, Zhongming Gu

arxiv:2007.01041 v1 · 2020-07-02 · cond-mat.mes-hall · physics.app-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{2PPYZBKYG6RTTEV2HB27NF6OBD}

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.

Cited by

1 paper in Pith

An investigation of the two-dimensional non-Hermitian Su-Schrieffer-Heeger Model

Receipt and verification

First computed	2026-07-05T02:27:22.055643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3df8c855837a33992ba3875f697ce08d4e7356fa5ff1f8bbc9687a81c155100

Aliases

arxiv: 2007.01041 · arxiv_version: 2007.01041v1 · doi: 10.48550/arxiv.2007.01041 · pith_short_12: 2PPYZBKYG6RT · pith_short_16: 2PPYZBKYG6RTTEV2 · pith_short_8: 2PPYZBKY

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/2PPYZBKYG6RTTEV2HB27NF6OBD \
  | 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: d3df8c855837a33992ba3875f697ce08d4e7356fa5ff1f8bbc9687a81c155100

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc848fc318f38c05ce8e9374ebfa6759918f9daab89e4f628970a07e76141a9c",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2020-07-02T11:59:04Z",
    "title_canon_sha256": "c1bac579b8d3c3145fa6695a42c22c36dbbb1a7873a8d31c87c0cc26a6eb2e4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.01041",
    "kind": "arxiv",
    "version": 1
  }
}