Pith Number

pith:QBEOHJ4A

pith:2009:QBEOHJ4AWK5O4QXBQWEL3VMZFV

not attested not anchored not stored refs pending

CMOS compatible athermal silicon microring resonators

Bernardo B. C. Kyotoku, Biswajeet Guha, Michal Lipson

arxiv:0911.3444 v2 · 2009-11-18 · 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{QBEOHJ4AWK5O4QXBQWEL3VMZFV}

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	2026-05-18T02:10:46.549869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8048e3a780b2baee42e18588bdd5992d65d02d7a02f313a31024930c7bed6083

Aliases

arxiv: 0911.3444 · arxiv_version: 0911.3444v2 · doi: 10.48550/arxiv.0911.3444 · pith_short_12: QBEOHJ4AWK5O · pith_short_16: QBEOHJ4AWK5O4QXB · pith_short_8: QBEOHJ4A

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/QBEOHJ4AWK5O4QXBQWEL3VMZFV \
  | 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: 8048e3a780b2baee42e18588bdd5992d65d02d7a02f313a31024930c7bed6083

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96cfed65715a046f1faf7bc1bbb1f494378e5f69d65c3530e2141cdc09805bb2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2009-11-18T00:28:10Z",
    "title_canon_sha256": "bf8cb6ae4354faba2e1235ca1027156703c53981deb2ff3a13cb27feca4f562a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.3444",
    "kind": "arxiv",
    "version": 2
  }
}