Pith Number

pith:3FHYAN2W

pith:2018:3FHYAN2WAPNUR4HW6E62VC5T5E

not attested not anchored not stored refs pending

High-channel-count 20 GHz passively mode locked quantum dot laser directly grown on Si with 4.1 Tbit/s transmission capacity

Arthur C. Gossard, Daehwan Jung, Hon K. Tsang, John E. Bowers, Justin C. Norman, Mj Kennedy, Songtao Liu, Xinru Wu

arxiv:1812.04550 v1 · 2018-12-11 · 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{3FHYAN2WAPNUR4HW6E62VC5T5E}

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	2026-05-17T23:55:33.867790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d94f80375603db48f0f6f13daa8bb3e9330a5562e749210718d2d1aedc719466

Aliases

arxiv: 1812.04550 · arxiv_version: 1812.04550v1 · doi: 10.48550/arxiv.1812.04550 · pith_short_12: 3FHYAN2WAPNU · pith_short_16: 3FHYAN2WAPNUR4HW · pith_short_8: 3FHYAN2W

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/3FHYAN2WAPNUR4HW6E62VC5T5E \
  | 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: d94f80375603db48f0f6f13daa8bb3e9330a5562e749210718d2d1aedc719466

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cba20a832e4273b2ebfb7c24bd833196c851b1ef1b1949a949b67c79b87768be",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-12-11T17:14:24Z",
    "title_canon_sha256": "3eee9fbcefa0223d34e7e719fe037eacc2251bac818aa7dd384aa5e790843a91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.04550",
    "kind": "arxiv",
    "version": 1
  }
}