Pith Number

pith:GDFO2L2T

pith:2009:GDFO2L2T4R7RIZHJ2VZ44UE4JM

not attested not anchored not stored refs pending

Microwave whispering gallery resonator for efficient optical up-conversion

A. A. Savchenkov, A. B. Matsko, D. V. Strekalov, H. G. L. Schwefel, L. J. Wang, N. Yu

arxiv:0905.2961 v2 · 2009-05-18 · quant-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{GDFO2L2T4R7RIZHJ2VZ44UE4JM}

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	2026-05-18T04:42:43.336963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30caed2f53e47f1464e9d573ce509c4b0c634b499b67205ebbc7e983758b1147

Aliases

arxiv: 0905.2961 · arxiv_version: 0905.2961v2 · doi: 10.48550/arxiv.0905.2961 · pith_short_12: GDFO2L2T4R7R · pith_short_16: GDFO2L2T4R7RIZHJ · pith_short_8: GDFO2L2T

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/GDFO2L2T4R7RIZHJ2VZ44UE4JM \
  | 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: 30caed2f53e47f1464e9d573ce509c4b0c634b499b67205ebbc7e983758b1147

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4894225543436b7f31a669f96da99616099c9d697b73a8e280155efbda583f94",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-05-18T19:50:01Z",
    "title_canon_sha256": "48540ca8f766ec8ea92239c89bc1238bcd48144a96305fc3fefa1e13f9181398"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.2961",
    "kind": "arxiv",
    "version": 2
  }
}