Pith Number

pith:3WM6VW22

pith:2009:3WM6VW22IKGY7WASLKB3N7GT22

not attested not anchored not stored refs pending

Naturally-phasematched second harmonic generation in a whispering gallery mode resonator

C. Marquardt, D. Elser, D. V. Strekalov, G. Leuchs, J. U. F\"urst, M. Lassen, U. L. Andersen

arxiv:0912.3864 v4 · 2009-12-19 · physics.optics · 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{3WM6VW22IKGY7WASLKB3N7GT22}

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	2026-05-18T04:38:48.566298Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd99eadb5a428d8fd8125a83b6fcd3d6a5a41f8b984cf8958edf2a21bc84cf3c

Aliases

arxiv: 0912.3864 · arxiv_version: 0912.3864v4 · doi: 10.48550/arxiv.0912.3864 · pith_short_12: 3WM6VW22IKGY · pith_short_16: 3WM6VW22IKGY7WAS · pith_short_8: 3WM6VW22

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/3WM6VW22IKGY7WASLKB3N7GT22 \
  | 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: dd99eadb5a428d8fd8125a83b6fcd3d6a5a41f8b984cf8958edf2a21bc84cf3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37c20999a2efa718cc648d6c468ebc94ec531fec2d2462c56a21e5964642a23b",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2009-12-19T05:46:12Z",
    "title_canon_sha256": "780f4d667dc17221d41d4b9c44b6d804c3a078a9015faf79ce8eb10bbfd24535"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.3864",
    "kind": "arxiv",
    "version": 4
  }
}