Pith Number

pith:HEQOF6ZR

pith:2021:HEQOF6ZR7WJG2LPYCFQS74MDEC

not attested not anchored not stored refs pending

Guided mode meta-optics: Metasurface-dressed nanophotonic waveguides for arbitrary designer mode couplers and on-chip OAM emitters with configurable topological charge

Futai Hu, Mali Gong, Qiang Liu, Qirong Xiao, Tiantian He, Yuan Meng, Zhoutian Liu

arxiv:2106.03559 v2 · 2021-06-03 · 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{HEQOF6ZR7WJG2LPYCFQS74MDEC}

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	2026-07-05T03:28:37.720848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3920e2fb31fd926d2df811612ff183208344e17e19d7e04d4ef85f1b55bdacc8

Aliases

arxiv: 2106.03559 · arxiv_version: 2106.03559v2 · doi: 10.48550/arxiv.2106.03559 · pith_short_12: HEQOF6ZR7WJG · pith_short_16: HEQOF6ZR7WJG2LPY · pith_short_8: HEQOF6ZR

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/HEQOF6ZR7WJG2LPYCFQS74MDEC \
  | 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: 3920e2fb31fd926d2df811612ff183208344e17e19d7e04d4ef85f1b55bdacc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c41ecfffaca69b0df6dec37cc25264bd4656baa6b060b293ef4c5cdcf3a323bc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-06-03T16:56:22Z",
    "title_canon_sha256": "e1b5c751ade8fa38234501ee068b5308958f235f90d4d9611dd9cd83364a845a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.03559",
    "kind": "arxiv",
    "version": 2
  }
}