Pith Number

pith:T5HQNMCU

pith:2020:T5HQNMCU3BP72CEOQDXGB6CEJA

not attested not anchored not stored refs pending

Spontaneous Parametric Down-Conversion from Subwavelength Nonlinear Films

Haizhong Zhang, Leonid A. Krivitsky, Maria V. Chekhova, Tom\'as Santiago-Cruz, Vitaliy Sultanov

arxiv:2009.00324 v1 · 2020-09-01 · 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{T5HQNMCU3BP72CEOQDXGB6CEJA}

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	2026-07-05T01:32:17.550742Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f4f06b054d85ffd088e80ee60f84448069b7021ce2ac488710f1d0613d7ca80

Aliases

arxiv: 2009.00324 · arxiv_version: 2009.00324v1 · doi: 10.48550/arxiv.2009.00324 · pith_short_12: T5HQNMCU3BP7 · pith_short_16: T5HQNMCU3BP72CEO · pith_short_8: T5HQNMCU

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/T5HQNMCU3BP72CEOQDXGB6CEJA \
  | 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: 9f4f06b054d85ffd088e80ee60f84448069b7021ce2ac488710f1d0613d7ca80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05b47975fbc3731ef2945d3bd41373ed77ae7a7d2792ad341ee5b89a45c208dd",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-09-01T10:07:11Z",
    "title_canon_sha256": "664c21bc74c860146983fd14932632b210463a6ca9d08d0c11431288e6fc5c36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.00324",
    "kind": "arxiv",
    "version": 1
  }
}