Pith Number

pith:UCDANJ2G

pith:2018:UCDANJ2GKQRSRMZNNHNV5ITR2Z

not attested not anchored not stored refs pending

Topological Flat Band and Parity-Time Symmetry in a Honeycomb Lattice of Coupled Resonant Optical Waveguides

Cheng He, Gui-Xin Li, Jian-Hua Jiang, Ming-Hui Lu, Samit Kumar Gupta, Xiao-Chen Sun, Xiao-Ping Liu, Xue-Yi Zhu, Yan-Feng Chen

arxiv:1801.10289 v1 · 2018-01-31 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UCDANJ2GKQRSRMZNNHNV5ITR2Z}

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	2026-05-18T00:24:41.189840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a08606a746542328b32d69db5ea271d67ac48360803da37dc52e479b174a1444

Aliases

arxiv: 1801.10289 · arxiv_version: 1801.10289v1 · doi: 10.48550/arxiv.1801.10289 · pith_short_12: UCDANJ2GKQRS · pith_short_16: UCDANJ2GKQRSRMZN · pith_short_8: UCDANJ2G

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/UCDANJ2GKQRSRMZNNHNV5ITR2Z \
  | 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: a08606a746542328b32d69db5ea271d67ac48360803da37dc52e479b174a1444

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "065886d44a5b253b70213c97aa943eb9cff9d6b4789de924fe88bd11bcafa5ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-01-31T03:18:36Z",
    "title_canon_sha256": "06adc2387cd6b44e392932800773855e9e258171147ef0132d3cf47cff10ee55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.10289",
    "kind": "arxiv",
    "version": 1
  }
}