Pith Number

pith:SJWF6JE7

pith:2026:SJWF6JE7DHYWVNW5YFZKECOQ3R

not attested not anchored not stored refs pending

Mechanisms governing photon-pair generation and emission directionality in quantum metasurfaces

Alberto Paniate, Francesco Monticone, Ivano Ruo-Berchera

arxiv:2606.26303 v1 · 2026-06-24 · 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{SJWF6JE7DHYWVNW5YFZKECOQ3R}

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	2026-06-26T00:15:36.065532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

926c5f249f19f16ab6ddc172a209d0dc6e4d027697398a833aa2517dc2ae7100

Aliases

arxiv: 2606.26303 · arxiv_version: 2606.26303v1 · doi: 10.48550/arxiv.2606.26303 · pith_short_12: SJWF6JE7DHYW · pith_short_16: SJWF6JE7DHYWVNW5 · pith_short_8: SJWF6JE7

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/SJWF6JE7DHYWVNW5YFZKECOQ3R \
  | 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: 926c5f249f19f16ab6ddc172a209d0dc6e4d027697398a833aa2517dc2ae7100

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a874e768117a58a4662e9270ef7b99ab20abba703ff63a6a8e8d29ba491f711f",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-24T18:49:16Z",
    "title_canon_sha256": "4e57e80a171b1e8094d57bd15b72b6e4aa66d845f1b6fd3f5c1e1ba114525bd7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.26303",
    "kind": "arxiv",
    "version": 1
  }
}