Pith Number

pith:EKIL7EGC

pith:2016:EKIL7EGCG65GLJWXKB3VAO35S2

not attested not anchored not stored refs pending

A passive CPHASE gate via cross-Kerr nonlinearities

Daniel J. Brod, Joshua Combes

arxiv:1604.04278 v3 · 2016-04-14 · quant-ph · 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{EKIL7EGCG65GLJWXKB3VAO35S2}

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	2026-05-18T01:08:28.669658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2290bf90c237ba65a6d75077503b7d968fda7027f299f72d6230b1680065cef4

Aliases

arxiv: 1604.04278 · arxiv_version: 1604.04278v3 · doi: 10.48550/arxiv.1604.04278 · pith_short_12: EKIL7EGCG65G · pith_short_16: EKIL7EGCG65GLJWX · pith_short_8: EKIL7EGC

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/EKIL7EGCG65GLJWXKB3VAO35S2 \
  | 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: 2290bf90c237ba65a6d75077503b7d968fda7027f299f72d6230b1680065cef4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "415e907f7e9d772f1baf7fd9381626dfd5e3ac82120cf5756398fd1ffc7177c8",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-04-14T19:56:16Z",
    "title_canon_sha256": "8febacf35a49a74f4834bc6b125e612cf8c12c029009a923a54f9ddc5f31af8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.04278",
    "kind": "arxiv",
    "version": 3
  }
}