Pith Number

pith:NKRVNEX6

pith:2009:NKRVNEX6FRQQ6AUEM2ZBXWT6MQ

not attested not anchored not stored refs pending

Multiplexed broadband beam steering system utilizing high speed MEMS mirrors

Caleb Knoernschild, Changsoon Kim, Felix P. Lu, Jungsang Kim

arxiv:0902.1574 v1 · 2009-02-10 · 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{NKRVNEX6FRQQ6AUEM2ZBXWT6MQ}

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	2026-05-18T02:14:48.571343Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6aa35692fe2c610f028466b21bda7e6434fe18da954578c8c4dde13504f5fd30

Aliases

arxiv: 0902.1574 · arxiv_version: 0902.1574v1 · doi: 10.48550/arxiv.0902.1574 · pith_short_12: NKRVNEX6FRQQ · pith_short_16: NKRVNEX6FRQQ6AUE · pith_short_8: NKRVNEX6

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/NKRVNEX6FRQQ6AUEM2ZBXWT6MQ \
  | 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: 6aa35692fe2c610f028466b21bda7e6434fe18da954578c8c4dde13504f5fd30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42bd0ee294fd8e08084bfb486d09919600cef71158180ab8969c973e3eec5da3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2009-02-10T05:29:24Z",
    "title_canon_sha256": "a321cf11dba62a8e7aae58b864acf5f4a2179a834996c691a9494b4d1fd87a6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.1574",
    "kind": "arxiv",
    "version": 1
  }
}