Pith Number

pith:RYPNC24I

pith:2019:RYPNC24IA7TJXJYQJNYF7IWPHU

not attested not anchored not stored refs pending

Observation of Three-Photon Spontaneous Parametric Downconversion in a Superconducting Parametric Cavity

A.M. Vadiraj, Carlos Sab\'in, C.M. Wilson, C.W. Sandbo Chang, Fernando Quijandr\'ia, G. Johansson, I. Nsanzineza, P. Forn-D\'iaz

arxiv:1907.08692 v1 · 2019-07-19 · quant-ph · cond-mat.supr-con

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RYPNC24IA7TJXJYQJNYF7IWPHU}

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	2026-07-05T00:36:59.200246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e1ed16b8807e69ba7104b705fa2cf3d10e2dfd9b8e9a80d57382f41732ebaf4

Aliases

arxiv: 1907.08692 · arxiv_version: 1907.08692v1 · doi: 10.48550/arxiv.1907.08692 · pith_short_12: RYPNC24IA7TJ · pith_short_16: RYPNC24IA7TJXJYQ · pith_short_8: RYPNC24I

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/RYPNC24IA7TJXJYQJNYF7IWPHU \
  | 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: 8e1ed16b8807e69ba7104b705fa2cf3d10e2dfd9b8e9a80d57382f41732ebaf4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f9f59f43842aa3ce7c44d874ce88f34c4e5b6881e21b7cc41e09bab665cfdf8",
    "cross_cats_sorted": [
      "cond-mat.supr-con"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-07-19T21:02:26Z",
    "title_canon_sha256": "7480a43c2f8693a4a350539a59878c900a7c4edf6aac032c3702ce17b2f42d68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.08692",
    "kind": "arxiv",
    "version": 1
  }
}