Pith Number

pith:NIUOEFL3

pith:2009:NIUOEFL326DDBGHAMVMFBXYSH4

not attested not anchored not stored refs pending

Integrated GHz silicon photonic interconnect with micrometer-scale modulators and detectors

Kyle Preston, Long Chen, Michal Lipson, Sasikanth Manipatruni

arxiv:0907.0022 v1 · 2009-06-30 · 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{NIUOEFL326DDBGHAMVMFBXYSH4}

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	2026-05-18T02:13:11.600824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a28e2157bd7863098e0655850df123f39193d405e328bd2e6fe62eba16d7f99

Aliases

arxiv: 0907.0022 · arxiv_version: 0907.0022v1 · doi: 10.48550/arxiv.0907.0022 · pith_short_12: NIUOEFL326DD · pith_short_16: NIUOEFL326DDBGHA · pith_short_8: NIUOEFL3

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/NIUOEFL326DDBGHAMVMFBXYSH4 \
  | 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: 6a28e2157bd7863098e0655850df123f39193d405e328bd2e6fe62eba16d7f99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "135705dba3cd8ef8313ae852a1424bad5448977cf8ea589de54c05043edb482e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2009-06-30T20:29:01Z",
    "title_canon_sha256": "3ca486ba41f6855e27e57ec56d942d6474de365015b78dd8085dda4d43252ad0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.0022",
    "kind": "arxiv",
    "version": 1
  }
}