Pith Number

pith:J7GDODQT

pith:2019:J7GDODQTJN5YO5R5XR2VLQAQ4N

not attested not anchored not stored refs pending

Correlated photon-pair generation in a liquid-filled microcavity

Felix R\"onchen, Michael K\"ohl, Thorsten F. Langerfeld

arxiv:1907.09044 v1 · 2019-07-21 · 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{J7GDODQTJN5YO5R5XR2VLQAQ4N}

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	2026-05-17T23:40:02.307438Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fcc370e134b7b87763dbc7555c010e36b3b4dcec9b528aa33861e6a6eb12e23

Aliases

arxiv: 1907.09044 · arxiv_version: 1907.09044v1 · doi: 10.48550/arxiv.1907.09044 · pith_short_12: J7GDODQTJN5Y · pith_short_16: J7GDODQTJN5YO5R5 · pith_short_8: J7GDODQT

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/J7GDODQTJN5YO5R5XR2VLQAQ4N \
  | 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: 4fcc370e134b7b87763dbc7555c010e36b3b4dcec9b528aa33861e6a6eb12e23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0967f3f7550287d758897a3908a5d09a64ac894150544bf3efb171f0cb381e6",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-07-21T22:27:13Z",
    "title_canon_sha256": "d9590f74d368a550273beddd4936b93fda65c37a246b0f8689d5efb4773538c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.09044",
    "kind": "arxiv",
    "version": 1
  }
}