Pith Number

pith:4KQ52IMS

pith:2018:4KQ52IMSV3MO2SBMX46DLIW5NU

not attested not anchored not stored refs pending

Exceptional points in topological edge spectrum of PT symmetric domain walls

Alexander B. Khanikaev, Alexander Poddubny, Daniel Leykam, Daria Smirnova, Xiang Ni, Yidong Chong

arxiv:1801.04689 v1 · 2018-01-15 · cond-mat.mes-hall · physics.optics · 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{4KQ52IMSV3MO2SBMX46DLIW5NU}

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	2026-05-18T00:02:35.826802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2a1dd2192aed8ed482cbf3c35a2dd6d179e63ef577e5162f4c35618d1472cd9

Aliases

arxiv: 1801.04689 · arxiv_version: 1801.04689v1 · doi: 10.48550/arxiv.1801.04689 · pith_short_12: 4KQ52IMSV3MO · pith_short_16: 4KQ52IMSV3MO2SBM · pith_short_8: 4KQ52IMS

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/4KQ52IMSV3MO2SBMX46DLIW5NU \
  | 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: e2a1dd2192aed8ed482cbf3c35a2dd6d179e63ef577e5162f4c35618d1472cd9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0590b85a6ef9d6b45c921320d1baf60ea7be27a9756c0793fe3a4f812fb4f6ab",
    "cross_cats_sorted": [
      "physics.optics",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2018-01-15T07:57:13Z",
    "title_canon_sha256": "e3be421aa16a1b6af7d4f3de58b16d0e94296dd6b39cb4b0f56598a593f8c467"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.04689",
    "kind": "arxiv",
    "version": 1
  }
}