Pith Number

pith:TUD3ONEJ

pith:2021:TUD3ONEJVHZ3SVHE5ROZIKUBV6

not attested not anchored not stored refs pending

Controllable finite ultra-narrow quality-factor peak in a perturbed Dirac-cone band structure of a photonic crystal slab

Akhil Raj Kumar Kalapala, Alex Y. Song, Cheng Guo, Ganesh Balakrishnan, Haiwen Wang, Kevin James Reilly, Ricky Gibson, Robert Bedford, Sadhvikas Addamane, Shanhui Fan, Thomas Rotter, Weidong Zhou

arxiv:2104.09818 v1 · 2021-04-20 · 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{TUD3ONEJVHZ3SVHE5ROZIKUBV6}

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	2026-07-05T03:04:50.979206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d07b73489a9f3b954e4ec5d942a81af862cccaa50b1eda6d0ba09e21680611a

Aliases

arxiv: 2104.09818 · arxiv_version: 2104.09818v1 · doi: 10.48550/arxiv.2104.09818 · pith_short_12: TUD3ONEJVHZ3 · pith_short_16: TUD3ONEJVHZ3SVHE · pith_short_8: TUD3ONEJ

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/TUD3ONEJVHZ3SVHE5ROZIKUBV6 \
  | 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: 9d07b73489a9f3b954e4ec5d942a81af862cccaa50b1eda6d0ba09e21680611a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ae6d1310e070552206590f204e21fee512faf7a4887a7317f11176a8840af91",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-04-20T08:07:54Z",
    "title_canon_sha256": "49661b452af1e4443d3967b6f9d2e8de1d469fb5ad570bf93027899b9093250d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.09818",
    "kind": "arxiv",
    "version": 1
  }
}