Pith Number

pith:ETZLEFL7

pith:2012:ETZLEFL75XAF5SGDMRRWKCFCVO

not attested not anchored not stored refs pending

Optical Resonator Analog of a Two-Dimensional Topological Insulator

G. Q. Liang, Y. D. Chong

arxiv:1212.5034 v3 · 2012-12-20 · physics.optics · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ETZLEFL75XAF5SGDMRRWKCFCVO}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:21:54.752869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24f2b2157fedc05ec8c364636508a2abb20829aff4b448898de669279096fff2

Aliases

arxiv: 1212.5034 · arxiv_version: 1212.5034v3 · doi: 10.48550/arxiv.1212.5034 · pith_short_12: ETZLEFL75XAF · pith_short_16: ETZLEFL75XAF5SGD · pith_short_8: ETZLEFL7

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/ETZLEFL75XAF5SGDMRRWKCFCVO \
  | 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: 24f2b2157fedc05ec8c364636508a2abb20829aff4b448898de669279096fff2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bbe66dbde784b6411ddd18bad45dd680abafd93bae73b44a6f2ed8efa540d15",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-12-20T13:49:45Z",
    "title_canon_sha256": "1a50e581538552b671123d1f2a435225b70bfb7215b0f73aa7e7efb45d0b78af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.5034",
    "kind": "arxiv",
    "version": 3
  }
}