Pith Number

pith:UZJK4DX7

pith:2018:UZJK4DX7E73YQD35ABTWUO67ME

not attested not anchored not stored refs pending

Purcell enhancement of the parametric down-conversion in two-dimensional nonlinear materials

Alexey Belyanin, Mikhail Belkin, Mikhail Tokman, Sultan AlMutairi, Valery Vdovin, Yongrui Wang, Zhongqu Long

arxiv:1801.07227 v2 · 2018-01-22 · 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{UZJK4DX7E73YQD35ABTWUO67ME}

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	2026-05-18T00:00:13.446891Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a652ae0eff27f7880f7d00676a3bdf6106e16e0a25f228da8cc2818d7a0eadf6

Aliases

arxiv: 1801.07227 · arxiv_version: 1801.07227v2 · doi: 10.48550/arxiv.1801.07227 · pith_short_12: UZJK4DX7E73Y · pith_short_16: UZJK4DX7E73YQD35 · pith_short_8: UZJK4DX7

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/UZJK4DX7E73YQD35ABTWUO67ME \
  | 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: a652ae0eff27f7880f7d00676a3bdf6106e16e0a25f228da8cc2818d7a0eadf6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8f909416f60f4af5a95abd60a83b25126caf284f9d21e17b2e825fcbd147321",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-01-22T18:15:17Z",
    "title_canon_sha256": "74078895a7c034324c127657cb82d3608d4f1d3f04c63f70638db82301892749"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.07227",
    "kind": "arxiv",
    "version": 2
  }
}