Pith Number

pith:U7SCKE6G

pith:2025:U7SCKE6GIYFR3ITRDPVYFPD2GN

not attested not anchored not stored refs pending

Wavelength-agnostic 3D-Nanoprinted coupler

Chunhui Yao, Huiyu Huang, Qixiang Cheng, Richard Penty, Zhitian Shi

arxiv:2506.17825 v1 · 2025-06-21 · 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{U7SCKE6GIYFR3ITRDPVYFPD2GN}

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	2026-07-05T11:25:23.790514Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7e42513c6460b1da2711beb82bc7a3371756091f5ac111244ed5c8a0c5e63ce

Aliases

arxiv: 2506.17825 · arxiv_version: 2506.17825v1 · doi: 10.48550/arxiv.2506.17825 · pith_short_12: U7SCKE6GIYFR · pith_short_16: U7SCKE6GIYFR3ITR · pith_short_8: U7SCKE6G

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/U7SCKE6GIYFR3ITRDPVYFPD2GN \
  | 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: a7e42513c6460b1da2711beb82bc7a3371756091f5ac111244ed5c8a0c5e63ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6adfb4e09bf37cc6c4834b43428b9bb648d59d8265725e8cc4c009904592431",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-06-21T21:38:40Z",
    "title_canon_sha256": "fa8b28ea43fa3e886a7c5376cede1bb98c76c5a979a658c5e2d1d217949bde1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.17825",
    "kind": "arxiv",
    "version": 1
  }
}