Pith Number

pith:5XWS4Z6L

pith:2021:5XWS4Z6LXCRSSGSVAHDHCRDNOK

not attested not anchored not stored refs pending

Deep UV photolithography enhanced geometric homogeneity for low loss photonic crystal waveguides

Dun Mao, Feifan Wang, Hwaseob Lee, Thomas Kananen, Tiantian Li, Tingyi Gu, Yahui Xiao, Zi Wang

arxiv:2104.09293 v1 · 2021-04-12 · physics.app-ph · 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{5XWS4Z6LXCRSSGSVAHDHCRDNOK}

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	2026-07-05T02:33:11.705070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eded2e67cbb8a3291a5501c671446d72aa0ed6ade2afb91ff15a4e853a96f480

Aliases

arxiv: 2104.09293 · arxiv_version: 2104.09293v1 · doi: 10.48550/arxiv.2104.09293 · pith_short_12: 5XWS4Z6LXCRS · pith_short_16: 5XWS4Z6LXCRSSGSV · pith_short_8: 5XWS4Z6L

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/5XWS4Z6LXCRSSGSVAHDHCRDNOK \
  | 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: eded2e67cbb8a3291a5501c671446d72aa0ed6ade2afb91ff15a4e853a96f480

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b2e794233459f2d26f8293e165285f3d1a223abec556af94c38f67ac5cb1e51",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2021-04-12T16:10:08Z",
    "title_canon_sha256": "9a4e1553b76d4284202bdb4c0c7a60dc7d210a2c36c792d89a52b647dbf02d97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.09293",
    "kind": "arxiv",
    "version": 1
  }
}