Pith Number

pith:OZDJUCRD

pith:2020:OZDJUCRDFVZPBPHTW5QPQ7UGLO

not attested not anchored not stored refs pending

Multimode silicon photonics using on-chip geometrical-optics

Chunlei Sun, Wei Qi, Xinliang Zhang, Yunhong Ding, Yu Yu, Zhen Li

arxiv:2004.01934 v1 · 2020-04-04 · 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{OZDJUCRDFVZPBPHTW5QPQ7UGLO}

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	2026-07-05T00:52:54.391036Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76469a0a232d72f0bcf3b760f87e865b9f9f1f2f985f1bc71ac48f1112cde807

Aliases

arxiv: 2004.01934 · arxiv_version: 2004.01934v1 · doi: 10.48550/arxiv.2004.01934 · pith_short_12: OZDJUCRDFVZP · pith_short_16: OZDJUCRDFVZPBPHT · pith_short_8: OZDJUCRD

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/OZDJUCRDFVZPBPHTW5QPQ7UGLO \
  | 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: 76469a0a232d72f0bcf3b760f87e865b9f9f1f2f985f1bc71ac48f1112cde807

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bcfeb7258032a26922c44405c41a87ebc7e18ebdd9093634bcb615e56fdb83b",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2020-04-04T13:46:05Z",
    "title_canon_sha256": "de8b0c36d51049abaa8d2075c64fa2195358f1197eb51c49aa6e5fc8c5a78807"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.01934",
    "kind": "arxiv",
    "version": 1
  }
}