Pith Number

pith:FNUJZUH2

pith:2023:FNUJZUH2JZ5645QLP2BVCK7PBB

not attested not anchored not stored refs pending

Foundry manufacturing of tight-confinement, dispersion-engineered, ultralow-loss silicon nitride photonic integrated circuit

Baoqi Shi, Chen Shen, Hairun Guo, Haiyan Jia, Jijun He, Jinbao Long, Junqiu Liu, Lan Gao, Wei Sun, Yi-Han Luo, Zhangjun Huang, Zhichao Ye

arxiv:2303.05004 v1 · 2023-03-09 · physics.optics · physics.app-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{FNUJZUH2JZ5645QLP2BVCK7PBB}

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	2026-07-05T05:49:36.206835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b689cd0fa4e7bee760b7e83512bef0873597e675e2d20e60363cc184753bdd9

Aliases

arxiv: 2303.05004 · arxiv_version: 2303.05004v1 · doi: 10.48550/arxiv.2303.05004 · pith_short_12: FNUJZUH2JZ56 · pith_short_16: FNUJZUH2JZ5645QL · pith_short_8: FNUJZUH2

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/FNUJZUH2JZ5645QLP2BVCK7PBB \
  | 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: 2b689cd0fa4e7bee760b7e83512bef0873597e675e2d20e60363cc184753bdd9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39a1a22c9d4f38f978f8cd3ca4aea5a09827b1f2063e14cf78b4713f0194cc09",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2023-03-09T03:07:12Z",
    "title_canon_sha256": "89d8cf380dcdfd8d45686bc81fcfe02bc67cc120710a3e2da55914e1a4d479aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.05004",
    "kind": "arxiv",
    "version": 1
  }
}