Pith Number

pith:7GEIKBAR

pith:2009:7GEIKBAR6WVU3NCYWKQPC6C2RQ

not attested not anchored not stored refs pending

Optical polarization based logic functions (XOR or XNOR) with nonlinear Gallium nitride nanoslab

A. Belardini, A. Passaseo, C. Sibilia, F.A. Bovino, M. Bertolotti, M.C. Larciprete, M. Giardina, V. Tasco

arxiv:0907.5108 v2 · 2009-07-29 · 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{7GEIKBAR6WVU3NCYWKQPC6C2RQ}

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	2026-05-18T02:12:46.580275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f988850411f5ab4db458b2a0f1785a8c03fa89f892f79894b7d085314dbacec7

Aliases

arxiv: 0907.5108 · arxiv_version: 0907.5108v2 · doi: 10.48550/arxiv.0907.5108 · pith_short_12: 7GEIKBAR6WVU · pith_short_16: 7GEIKBAR6WVU3NCY · pith_short_8: 7GEIKBAR

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/7GEIKBAR6WVU3NCYWKQPC6C2RQ \
  | 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: f988850411f5ab4db458b2a0f1785a8c03fa89f892f79894b7d085314dbacec7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ead1ecb44b49008d338469ddaba0822365769527969112156eb7b3e9a0848b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2009-07-29T11:55:13Z",
    "title_canon_sha256": "a861d1d313369889e5883aa1a6a9347309a42f047f79ad35ad45c75eb9f27596"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.5108",
    "kind": "arxiv",
    "version": 2
  }
}