Pith Number

pith:LAD75YPR

pith:2019:LAD75YPRSOMG3GFAJZJIXY24U7

not attested not anchored not stored refs pending

Exceptional points and their coalescence of PT-symmetric interface states in photonic crystals

Che Ting Chan, Jian-Wen Dong, Kun Ding, Xiaohan Cui

arxiv:1906.04052 v3 · 2019-06-10 · 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{LAD75YPRSOMG3GFAJZJIXY24U7}

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	2026-07-05T00:25:55.560454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5807fee1f193986d98a04e528be35ca7c05a3434c431773e84bf870d1bbc2f32

Aliases

arxiv: 1906.04052 · arxiv_version: 1906.04052v3 · doi: 10.48550/arxiv.1906.04052 · pith_short_12: LAD75YPRSOMG · pith_short_16: LAD75YPRSOMG3GFA · pith_short_8: LAD75YPR

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/LAD75YPRSOMG3GFAJZJIXY24U7 \
  | 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: 5807fee1f193986d98a04e528be35ca7c05a3434c431773e84bf870d1bbc2f32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b73d3a90b89a13eaf7bf4dd852116c252ed5c7b1d084a8ee71dc9430999b3863",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-06-10T14:57:37Z",
    "title_canon_sha256": "6548a569aa02f195b410e6346b2c35425c79a780a09af6260857a919dd9cfd4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.04052",
    "kind": "arxiv",
    "version": 3
  }
}